Security Bulletin
This security bulletin contains information about 10 vulnerabilities.
EUVDB-ID: #VU63352
Risk: Low
CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-20008
CWE-ID:
CWE-908 - Use of Uninitialized Resource
Exploit availability: No
DescriptionThe vulnerability allows a local application to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources within the mmc_blk_read_single() function in block.c. A local application can obtain potentially sensitive information from memory when reading from an SD card that triggers errors.
MitigationUpdate the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU66810
Risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2503
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way dm-verity is used to restrict module/firmware loads to trusted root filesystem in LoadPin builds. Device-mapper table reloads currently allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass verification till reboot. This allows root to bypass LoadPin and can be used to load untrusted and unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for peripherals that do not verify firmware updates.
MitigationUpdate the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU68780
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3169
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in Linux kernel when handling a consecutive request of the NVME_IOCTL_RESET and the NVME_IOCTL_SUBSYS_RESET through the device file of the driver. A local user can force the a PCIe link to disconnect.
MitigationUpdate the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU68337
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3239
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the Linux kernel video4linux driver in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU68338
Risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3303
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the Linux kernel sound subsystem due to improper locking when handling the SNDCTL_DSP_SYNC ioctl. A privileged local user can trigger a NULL pointer dereference error and perform a denial of service (DoS) attack.
MitigationUpdate the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU69759
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3424
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the gru_set_context_option(), gru_fault() and gru_handle_user_call_os() functions in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU67915
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-40307
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the drivers/firmware/efi/capsule-loader.c in Linux kernel. A local user can trigger a use-after-free error and perform a denial of service (DoS) attack.
Update the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU67587
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-40768
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper access restrictions in the drivers/scsi/stex.c in the Linux kernel. A local user can obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.
MitigationUpdate the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU67657
Risk: Low
CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2022-41218
CWE-ID:
CWE-416 - Use After Free
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the dvb_demux_open() and dvb_dmxdev_release() function in drivers/media/dvb-core/dmxdev.c in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
EUVDB-ID: #VU68339
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-41848
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition in the drivers/char/pcmcia/synclink_cs.c in the Linux kernel. An attacker with physical proximity to the affected system can remove a PCMCIA device while calling ioctl, cause a race condition between mgslpc_ioctl and mgslpc_detach and perform a denial of service (DoS) attack.
Update the affected package the Linux Kernel to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Real Time Extension: 12-SP5
ocfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
ocfs2-kmp-rt: before 4.12.14-10.103.1
kernel-syms-rt: before 4.12.14-10.103.1
kernel-rt_debug-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug-devel: before 4.12.14-10.103.1
kernel-rt_debug-debugsource: before 4.12.14-10.103.1
kernel-rt_debug-debuginfo: before 4.12.14-10.103.1
kernel-rt_debug: before 4.12.14-10.103.1
kernel-rt-devel-debuginfo: before 4.12.14-10.103.1
kernel-rt-devel: before 4.12.14-10.103.1
kernel-rt-debugsource: before 4.12.14-10.103.1
kernel-rt-debuginfo: before 4.12.14-10.103.1
kernel-rt-base-debuginfo: before 4.12.14-10.103.1
kernel-rt-base: before 4.12.14-10.103.1
kernel-rt: before 4.12.14-10.103.1
gfs2-kmp-rt-debuginfo: before 4.12.14-10.103.1
gfs2-kmp-rt: before 4.12.14-10.103.1
dlm-kmp-rt-debuginfo: before 4.12.14-10.103.1
dlm-kmp-rt: before 4.12.14-10.103.1
cluster-md-kmp-rt-debuginfo: before 4.12.14-10.103.1
cluster-md-kmp-rt: before 4.12.14-10.103.1
kernel-source-rt: before 4.12.14-10.103.1
kernel-devel-rt: before 4.12.14-10.103.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223810-1/
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.