CVE-2020-27815

EPSS 0.8%CWE-119

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.8%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

26 May 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affected products

n/a · Linux Kernel

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References

https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html https://security.netapp.com/advisory/ntap-20210702-0004/https://www.debian.org/security/2021/dsa-4843 https://www.openwall.com/lists/oss-security/2020/11/30/5%2C https://www.openwall.com/lists/oss-security/2020/12/28/1%2C http://www.openwall.com/lists/oss-security/2020/11/30/5 http://www.openwall.com/lists/oss-security/2020/12/28/1