Risk | Low |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2020-12657 CVE-2020-12826 |
CWE-ID | CWE-416 CWE-190 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
Vendor | Linux Foundation |
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU28167
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2020-12657
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in "block/bfq-iosched.c" file related to "bfq_idle_slice_timer_body". A local user can execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsLinux kernel: 5.6 - 5.6.4
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.5
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9
http://github.com/torvalds/linux/commit/2f95fa5c955d0a9987ffdc3a095e2f4e62c5f2a9
http://patchwork.kernel.org/patch/11447049/
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU28168
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2020-12826
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in "exec_id" in "include/linux/sched.h". A local user can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsLinux kernel: 5.6 - 5.6.4
http://bugzilla.redhat.com/show_bug.cgi?id=1822077
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.5
http://github.com/torvalds/linux/commit/7395ea4e65c2a00d23185a3f63ad315756ba9cef
http://lists.openwall.net/linux-kernel/2020/03/24/1803
http://www.openwall.com/lists/kernel-hardening/2020/03/25/1
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?