A flaw was found in the Linux kernel. A use-after-free memory flaw in the Fast Userspace Mutexes functionality allowing a local user to crash the system or escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | kernel | 2021-02-16 00:13 | ALAS-2021-1480 |
Amazon Linux 2 - Core | kernel | 2021-02-17 18:07 | ALAS2-2021-1600 |
Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-20 19:56 | ALAS2KERNEL-5.4-2022-020 |
Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.209-160.335 | 2021-02-22 19:03 | ALAS2LIVEPATCH-2021-040 |
Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.209-160.339 | 2021-02-22 19:03 | ALAS2LIVEPATCH-2021-039 |
Amazon Linux 2 - Livepatch Extra | kernel-livepatch-4.14.214-160.339 | 2021-02-22 19:03 | ALAS2LIVEPATCH-2021-041 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
NVD | CVSSv2 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |