SB2026010615 - SUSE update for the Linux Kernel
Published: January 6, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2022-50280)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the propagate_one() function in fs/pnode.c. A local user can perform a denial of service (DoS) attack.
2) Buffer overflow (CVE-ID: CVE-2023-53676)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the lio_target_nacl_info_show() function in drivers/target/iscsi/iscsi_target_configfs.c. A local user can escalate privileges on the system.
3) Integer overflow (CVE-ID: CVE-2025-39967)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the fbcon_set_font() function in drivers/video/fbdev/core/fbcon.c. A local user can execute arbitrary code.
4) Improper error handling (CVE-ID: CVE-2025-40040)
CWE-ID: CWE-388 - Error Handling
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the rust/bindings/bindings_helper.h. A local user can perform a denial of service (DoS) attack.
5) Memory leak (CVE-ID: CVE-2025-40048)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the hv_uio_channel_cb(), hv_uio_new_channel() and hv_uio_open() functions in drivers/uio/uio_hv_generic.c. A local user can perform a denial of service (DoS) attack.
6) Out-of-bounds read (CVE-ID: CVE-2025-40121)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the MODULE_PARM_DESC() function in sound/soc/intel/boards/bytcr_rt5651.c. A local user can perform a denial of service (DoS) attack.
7) Out-of-bounds read (CVE-ID: CVE-2025-40154)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the log_quirks() function in sound/soc/intel/boards/bytcr_rt5640.c. A local user can perform a denial of service (DoS) attack.
8) Resource management error (CVE-ID: CVE-2025-40204)
CWE-ID: CWE-399 - Resource Management Errors
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the sctp_sf_authenticate() function in net/sctp/sm_statefuns.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.