A flaw was found in the JFS filesystem code in...

Vulnerability Description

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.

References

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