CVE-2020-27815
High
CVE-2020-27815
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.
Exploit probability
0.8%
Published
May 26, 2021
Required by
Not available
Last source change
March 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2020-27815
View original source
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.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2020/11/30/5
- http://www.openwall.com/lists/oss-security/2020/12/28/1
- 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