CVE-2023-1295
Privilege escalation with IO_RING_OP_CLOSE in the Linux Kernel
HIGH 7.8
En bref
- Source
- NVD
- EPSS
- EPSS 0.22 % · centile 12 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- Statut NVD
- Modified
Description
A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.
Faiblesses (CWE)
- CWE-367 — Situation de compétition TOCTOU
Références
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9eac1904d3364254d622bf2c771c4f85cd435fc2
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=788d0824269bef539fe31a785b1517882eafed93
- https://kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2
- https://kernel.dance/788d0824269bef539fe31a785b1517882eafed93
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb
- https://security.netapp.com/advisory/ntap-20230731-0006/
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · cve-coordination@google.com (Secondary) |
| CVSS 3.1 | HIGH 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2023-23560
- GCVE · GCVE-0-2023-1295
Configurations affectées (CPE NVD)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.6 < 5.10.162cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.11.6cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Linux · Linux Kernel | affected 5.6 ≤ 5.11 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |