CVE-2026-98871
CVE-2026-98871 · crypto: ccp - Fix possible deadlock in SEV init failure path
This page contains facts from public vulnerability sources. Check the original advisory before updating.
In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix possible deadlock in SEV init failure path __sev_platform_init_handle_init_ex_path() calls rmp_mark_pages_firmware() with locked=false while the parent function of init_ex_path already acquired the sev_cmd_mutex. In the case of an RMPUPDATE failure for any page after the first, the cleanup path would invoke reclaim pages which would result in a deadlock in sev_do_cmd. Pass locked=true to honor the lock status of the parent function.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
linux
- Versions
- ≥ 7364a6fbca45f826952ea932699fb2171d06ee73, < 8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1: Affected (git)
- ≥ 7364a6fbca45f826952ea932699fb2171d06ee73, < ffd3a3df92be697eb78118a146c6a5d5e6c1f724: Affected (git)
- ≥ 7364a6fbca45f826952ea932699fb2171d06ee73, < 364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4: Affected (git)
- ≥ 7364a6fbca45f826952ea932699fb2171d06ee73, < b0e7ec0dab242c5e480121ba12400d0513e37ca2: Affected (git)
No fix published
linux
- Versions
- 6.9: Affected
- ≥ 0, < 6.9: Not affected (semver)
- ≥ 6.12.111, ≤ 6.12.*: Not affected (semver)
- ≥ 6.18.53, ≤ 6.18.*: Not affected (semver)
- ≥ 7.2.6, ≤ 7.2.*: Not affected (semver)
- ≥ 7.3: Not affected (original_commit_for_fix)
No fix published
linux Debian:13
- Versions
- 6.12.100-1
- 6.12.101-1
- 6.12.105-1
- 6.12.107-1
- 6.12.38-1
- 6.12.41-1
- 6.12.43-1
- 6.12.43-1~bpo12+1
- 6.12.48-1
- 6.12.57-1
- 6.12.57-1~bpo12+1
- 6.12.63-1
- 6.12.63-1~bpo12+1
- 6.12.69-1
- 6.12.69-1~bpo12+1
- 6.12.73-1
- 6.12.73-1~bpo12+1
- 6.12.74-1
- 6.12.74-2
- 6.12.74-2~bpo12+1
- 6.12.85-1
- 6.12.85-1~bpo12+1
- 6.12.86-1
- 6.12.86-1~bpo12+1
- 6.12.88-1
- 6.12.88-1~bpo12+1
- 6.12.90-1
- 6.12.90-1~bpo12+1
- 6.12.90-2
- 6.12.90-2~bpo12+1
- 6.12.94-1
- 6.12.94-1~bpo12+1
- 6.12.95-1
- 6.12.95-1~bpo12+1
- 6.12.96-1
- Affected ranges
- ECOSYSTEM: < 6.12.111-1
Update to 6.12.111-1
linux Debian:14
- Versions
- 6.12.100-1
- 6.12.101-1
- 6.12.105-1
- 6.12.107-1
- 6.12.111-1
- 6.12.113-1
- 6.12.38-1
- 6.12.41-1
- 6.12.43-1
- 6.12.43-1~bpo12+1
- 6.12.48-1
- 6.12.57-1
- 6.12.57-1~bpo12+1
- 6.12.63-1
- 6.12.63-1~bpo12+1
- 6.12.69-1
- 6.12.69-1~bpo12+1
- 6.12.73-1
- 6.12.73-1~bpo12+1
- 6.12.74-1
- 6.12.74-2
- 6.12.74-2~bpo12+1
- 6.12.85-1
- 6.12.85-1~bpo12+1
- 6.12.86-1
- 6.12.86-1~bpo12+1
- 6.12.88-1
- 6.12.88-1~bpo12+1
- 6.12.90-1
- 6.12.90-1~bpo12+1
- 6.12.90-2
- 6.12.90-2~bpo12+1
- 6.12.94-1
- 6.12.94-1~bpo12+1
- 6.12.95-1
- 6.12.95-1~bpo12+1
- 6.12.96-1
- 6.13.10-1~exp1
- 6.13.11-1~exp1
- 6.13.2-1~exp1
- 6.13.3-1~exp1
- 6.13.4-1~exp1
- 6.13.5-1~exp1
- 6.13.6-1~exp1
- 6.13.7-1~exp1
- 6.13.8-1~exp1
- 6.13.9-1~exp1
- 6.13~rc6-1~exp1
- 6.13~rc7-1~exp1
- 6.14.3-1~exp1
- 6.14.5-1~exp1
- 6.14.6-1~exp1
- 6.15-1~exp1
- 6.15.1-1~exp1
- 6.15.2-1~exp1
- 6.15.3-1~exp1
- 6.15.4-1~exp1
- 6.15.5-1~exp1
- 6.15.6-1~exp1
- 6.15~rc7-1~exp1
- 6.16-1~exp1
- 6.16.1-1~exp1
- 6.16.10-1
- 6.16.11-1
- 6.16.12-1
- 6.16.12-1~bpo13+1
- 6.16.12-2
- 6.16.3-1
- 6.16.3-1~bpo13+1
- 6.16.5-1
- 6.16.6-1
- 6.16.7-1
- 6.16.8-1
- 6.16.9-1
- 6.16~rc7-1~exp1
- 6.17.10-1
- 6.17.11-1
- 6.17.12-1
- 6.17.13-1
- 6.17.13-1~bpo13+1
- 6.17.2-1~exp1
- 6.17.5-1~exp1
- 6.17.6-1
- 6.17.7-1
- 6.17.7-2
- 6.17.8-1
- 6.17.8-1~bpo13+1
- 6.17.9-1
- 6.18.1-1~exp1
- 6.18.10-1
- 6.18.12-1
- 6.18.12-1~bpo13+1
- 6.18.13-1
- 6.18.14-1
- 6.18.15-1
- 6.18.15-1~bpo13+1
- 6.18.2-1~exp1
- 6.18.3-1
- 6.18.5-1
- 6.18.5-1~bpo13+1
- 6.18.8-1
- 6.18.9-1
- 6.18.9-1~bpo13+1
- 6.18~rc4-1~exp1
- 6.18~rc4-1~exp2
- 6.18~rc5-1~exp1
- 6.18~rc6-1~exp1
- 6.18~rc7-1~exp1
- 6.19-1~exp1
- 6.19.10-1
- 6.19.10-1~bpo13+1
- 6.19.11-1
- 6.19.11-1~bpo13+1
- 6.19.12-1
- 6.19.13-1
- 6.19.13-1~bpo13+1
- 6.19.14-1
- 6.19.14-1~bpo13+1
- 6.19.2-1~exp1
- 6.19.3-1~exp1
- 6.19.4-1~exp1
- 6.19.5-1~exp1
- 6.19.6-1
- 6.19.6-2
- 6.19.6-2~bpo13+1
- 6.19.8-1
- 6.19.8-1~bpo13+1
- 6.19~rc4-1~exp1
- 6.19~rc5-1~exp1
- 6.19~rc6-1~exp1
- 6.19~rc7-1~exp1
- 6.19~rc8-1~exp1
- 7.0-1~exp1
- 7.0.1-1~exp1
- 7.0.10-1
- 7.0.10-1~bpo13+1
- 7.0.12-1
- 7.0.12-2
- 7.0.12-2~bpo13+1
- 7.0.13-1
- 7.0.13-1~bpo13+1
- 7.0.14-1
- 7.0.3-1
- 7.0.4-1
- 7.0.4-1~bpo13+1
- 7.0.7-1
- 7.0.7-1~bpo13+1
- 7.0.9-1
- 7.0.9-1~bpo13+1
- 7.1.1-1~exp1
- 7.1.10-1
- 7.1.12-1
- 7.1.13-1
- 7.1.13-1~bpo13+1
- 7.1.2-1~exp1
- 7.1.3-1
- 7.1.3-1+sunvdc
- 7.1.3-1~bpo13+1
- 7.1.4-1
- 7.1.5-1
- 7.1.6-1
- 7.1.7-1
- 7.1.7-1~bpo13+1
- 7.1.8-1
- 7.1.8-1~bpo13+1
- 7.1.8-2
- 7.1.9-1
- 7.1.9-1+sparc64
- 7.1~rc2-1~exp1
- 7.1~rc3-1~exp1
- 7.1~rc4-1~exp1
- 7.1~rc4-1~exp2
- 7.1~rc5-1~exp1
- 7.1~rc7-1~exp1
- 7.2.2-1~exp1
- 7.2.3-1~exp1
- 7.2.6-1~bpo13+1
- 7.2~rc3-1~exp1
- 7.2~rc5-1~exp1
- 7.2~rc7-1~exp1
- Affected ranges
- ECOSYSTEM: < 7.2.6-1
Update to 7.2.6-1
Original sources
- https://git.kernel.org/stable/c/8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1
- https://git.kernel.org/stable/c/ffd3a3df92be697eb78118a146c6a5d5e6c1f724
- https://git.kernel.org/stable/c/364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4
- https://git.kernel.org/stable/c/b0e7ec0dab242c5e480121ba12400d0513e37ca2
- https://nvd.nist.gov/vuln/detail/CVE-2026-98871