CVEvulnerability
CVE-2021-29266
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-03-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-416
Description
An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.
Affected configurations
• linux linux kernel (>= 5.8 < 5.10.26)
• linux linux kernel (>= 5.11 < 5.11.9)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9 Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210513-0005/ Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9 Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210513-0005/ Third Party Advisory