dccp: fix data-race around dp->dccps_mss_cache (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.26 % · percentile 17 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Deferred
Description
In the Linux kernel, the following vulnerability has been resolved: dccp: fix data-race around dp->dccps_mss_cache dccp_sendmsg() reads dp->dccps_mss_cache before locking the socket. Same thing in do_dccp_getsockopt(). Add READ_ONCE()/WRITE_ONCE() annotations, and change dccp_sendmsg() to check again dccps_mss_cache after socket is locked.
References
- https://git.kernel.org/stable/c/162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1
- https://git.kernel.org/stable/c/2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817
- https://git.kernel.org/stable/c/67eebc7a9217f999b779d46fba5312a716f0dc1d
- https://git.kernel.org/stable/c/6d701c95ee6463abcbb6da543060d6e444554135
- https://git.kernel.org/stable/c/f239c9e1d98b313435481b4926e8bdd06197e4d8
- https://git.kernel.org/stable/c/a6ddc1c774874dc704f96a99d015dc759627bba7
- https://git.kernel.org/stable/c/d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384
- https://git.kernel.org/stable/c/a47e598fbd8617967e49d85c49c22f9fc642704c
European references
- ENISA EUVD · EUVD-2023-60157
- GCVE · GCVE-0-2023-53839
CERT-FR advisories
- CERTFR-2026-AVI-0369 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0247 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0225 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0108 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c < 162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1 ; affected 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c < 2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817 ; affected 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c < 67eebc7a9217f999b779d46fba5312a716f0dc1d ; affected 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c < 6d701c95ee6463abcbb6da543060d6e444554135 ; affected 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c < f239c9e1d98b313435481b4926e8bdd06197e4d8 ; affected 7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c < a6ddc1c774874dc704f96a99d015dc759627bba7 |
| Linux · Linux | affected 2.6.14 ; unaffected 0 < 2.6.14 ; unaffected 4.14.323 ≤ 4.14.* ; unaffected 4.19.292 ≤ 4.19.* ; unaffected 5.4.254 ≤ 5.4.* ; unaffected 5.10.191 ≤ 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 |