CVE-2020-29372

low-risk
Published 2020-11-28

An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORING_OP_MADVISE implementation, aka CID-bc0c4d1e176e.

Do I need to act?

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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (5)

Affected Vendors

Linux Canonical

References (8)

Third Party Advisory http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LS...
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=2029
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc...
Third Party Advisory http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LS...
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=2029
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc...
24
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 12/34 · Low