aio: fix mremap after fork null-deref (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.24 % · percentile 15 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Analyzed
Description
In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [jmoyer@redhat.com: fix 80 column issue]
Weaknesses (CWE)
- CWE-476 — NULL Pointer Dereference
References
- https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95
- https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22
- https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2
- https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f
- https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1
- https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d
- https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2023-57270
- GCVE · GCVE-0-2023-52646
CERT-FR advisories
- CERTFR-2026-AVI-1027 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0898 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1057 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0212 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0526 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0496 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0458 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0440 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0420 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 3.19 < 4.14.306cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.273cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.232cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.169cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.15.95cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.16 < 6.1.13cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.2:rc7:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.2:rc8:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected e4a0d3e720e7e508749c1439b5ba3aff56c92976 < 808f1e4b5723ae4eda724d2ad6f6638905eefd95 ; affected e4a0d3e720e7e508749c1439b5ba3aff56c92976 < d8dca1bfe9adcae38b35add64977818c0c13dd22 ; affected e4a0d3e720e7e508749c1439b5ba3aff56c92976 < 4326d0080f7e84fba775da41d158f46cf9d3f1c2 ; affected e4a0d3e720e7e508749c1439b5ba3aff56c92976 < c261f798f7baa8080cf0214081d43d5f86bb073f ; affected e4a0d3e720e7e508749c1439b5ba3aff56c92976 < 178993157e8c50aef7f35d7d6d3b44bb428199e1 ; affected e4a0d3e720e7e508749c1439b5ba3aff56c92976 < af126acf01a12bdb04986fd26fc2eb3b40249e0d |
| Linux · Linux | affected 3.19 ; unaffected 0 < 3.19 ; unaffected 4.14.306 ≤ 4.14.* ; unaffected 4.19.273 ≤ 4.19.* ; unaffected 5.4.232 ≤ 5.4.* ; unaffected 5.10.169 ≤ 5.10.* |
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 |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| 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 |