CVEvulnerability
CVE-2023-3389
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-06-28
- Last modified
- 2026-10-14
- 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 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
- Weaknesses
- CWE-416
Description
A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.
Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.
We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).
Affected configurations
• linux linux kernel (>= 5.10.162 < 5.10.185)
• linux linux kernel (>= 5.13 < 6.4)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
• canonical ubuntu linux 22.04
• debian debian linux 10.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html Third Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=4716c73b188566865bdd79c3a6709696a224ac04 Mailing List, Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=0e388fce7aec40992eadee654193cad345d62663 Mailing List, Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef7dfac51d8ed961b742218f526bd589f3900a59 Mailing List, Patch
- https://kernel.dance/0e388fce7aec40992eadee654193cad345d62663 Patch
- https://kernel.dance/4716c73b188566865bdd79c3a6709696a224ac04 Patch
- https://kernel.dance/ef7dfac51d8ed961b742218f526bd589f3900a59 Patch
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230731-0001/ Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480 Third Party Advisory
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html Third Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=4716c73b188566865bdd79c3a6709696a224ac04 Mailing List, Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=0e388fce7aec40992eadee654193cad345d62663 Mailing List, Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef7dfac51d8ed961b742218f526bd589f3900a59 Mailing List, Patch
- https://kernel.dance/0e388fce7aec40992eadee654193cad345d62663 Patch
- https://kernel.dance/4716c73b188566865bdd79c3a6709696a224ac04 Patch
- https://kernel.dance/ef7dfac51d8ed961b742218f526bd589f3900a59 Patch
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230731-0001/ Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480 Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com