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A use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system.
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OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.14
*cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.1 up to (excluding) 5.4.134
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.52
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.19
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 5.13.4
*cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
OR
*cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.14
*cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
Added
CVSS V2
NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Added
CWE
NIST CWE-416
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=2034514 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=2034514 Issue Tracking, Patch, Third Party Advisory
Changed
Reference Type
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0462726e7ef281c35a7a4ae33e93ee2bc9975b No Types Assigned