CVEvulnerability
CVE-2021-26708
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-667
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.
Affected configurations
• linux linux kernel (>= 5.5 < 5.10.13)
• netapp aff baseboard management controller
• netapp cloud backup
• netapp fas baseboard management controller
• netapp solidfire \& hci management node
• netapp solidfire baseboard management controller
• netapp baseboard management controller 500f firmware (< 15.3)
• netapp baseboard management controller a250 firmware (< 15.3)
• netapp hci h410c firmware
Related
Weakness · CWE (1)
- CWE-667 Improper Locking weakness
References
- http://www.openwall.com/lists/oss-security/2021/02/05/6 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/09/2 Mailing List
- http://www.openwall.com/lists/oss-security/2022/01/25/14 Mailing List
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446 Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210312-0008/ Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/04/5 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/02/05/6 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/09/2 Mailing List
- http://www.openwall.com/lists/oss-security/2022/01/25/14 Mailing List
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446 Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210312-0008/ Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/04/5 Mailing List, Patch, Third Party Advisory