CVEvulnerability
CVE-2022-33743
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-07-05
- 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])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
Description
network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed.
Affected configurations
• linux linux kernel (>= 5.9 <= 5.18)
• xen xen
• debian debian linux 11.0
References
- http://www.openwall.com/lists/oss-security/2022/07/05/5 Mailing List, Patch, Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-405.html Patch, Vendor Advisory
- https://www.debian.org/security/2022/dsa-5191 Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-405.txt Vendor Advisory
- http://www.openwall.com/lists/oss-security/2022/07/05/5 Mailing List, Patch, Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-405.html Patch, Vendor Advisory
- https://www.debian.org/security/2022/dsa-5191 Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-405.txt Vendor Advisory