Vulnerabilities > CVE-2020-27815
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
References
- http://www.openwall.com/lists/oss-security/2020/11/30/5
- http://www.openwall.com/lists/oss-security/2020/11/30/5
- http://www.openwall.com/lists/oss-security/2020/12/28/1
- http://www.openwall.com/lists/oss-security/2020/12/28/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C
- 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://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/2021/02/msg00018.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://security.netapp.com/advisory/ntap-20210702-0004/
- https://security.netapp.com/advisory/ntap-20210702-0004/
- https://www.debian.org/security/2021/dsa-4843
- 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/2020/11/30/5%2C
- https://www.openwall.com/lists/oss-security/2020/12/28/1%2C
- https://www.openwall.com/lists/oss-security/2020/12/28/1%2C