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CVE-2021-43057 Details

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NameCVE-2021-43057
StatusCandidate
DescriptionAn issue was discovered in the Linux kernel before 5.14.8. A use-after-free in selinux_ptrace_traceme (aka the SELinux handler for PTRACE_TRACEME) could be used by local attackers to cause memory corruption and escalate privileges, aka CID-a3727a8bac0a. This occurs because of an attempt to access the subjective credentials of another task.
ReferencesCONFIRM: https://security.netapp.com/advisory/ntap-20211125-0001/
MISC: https://bugs.chromium.org/p/project-zero/issues/detail?id=2229
MISC: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.8
MISC: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a3727a8bac0a9e77c70820655fd8715523ba3db7
PhaseAssigned (20211028)
VotesNone (candidate not yet proposed)
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