CVE-2021-22543 - log back

CVE-2021-22543 edited at 01 Jul 2021 10:33:32
References
https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f8be156be163a052a067306417cd0ff679068c97
+ https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.12.14&id=c36fbd888dcc27d365c865e6c959d7f7802a207c
+ https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.47&id=dd8ed6c9bc2224c1ace5292d01089d3feb7ebbc3
CVE-2021-22543 edited at 26 Jun 2021 12:59:18
References
https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584
+ https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f8be156be163a052a067306417cd0ff679068c97
CVE-2021-22543 edited at 26 May 2021 12:25:23
Severity
- Unknown
+ Medium
Remote
- Unknown
+ Local
Type
- Unknown
+ Privilege escalation
Description
+ An issue was discovered in the Linux KVM· through Improper handling of VM_IO|VM_PFNMAP, vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation.
References
+ https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584
CVE-2021-22543 created at 26 May 2021 12:23:48
Severity
+ Unknown
Remote
+ Unknown
Type
+ Unknown
Description
References
Notes