CVE-2021-26708 | BDVDB-2026-148652 Detail
Description#
A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13
- https://www.openwall.com/lists/oss-security/2021/02/04/5
- http://www.openwall.com/lists/oss-security/2021/02/05/6
- https://security.netapp.com/advisory/ntap-20210312-0008/
- http://www.openwall.com/lists/oss-security/2021/04/09/2
- http://www.openwall.com/lists/oss-security/2022/01/25/14
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.