Veille CVE
CVE-2026-53277
8.8 ÉlevéeDescription
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation walk_s1() and kvm_walk_nested_s2() expect to be called while holding kvm->srcu to guard against memslot changes. While this is generally the case, __kvm_at_s12() and __kvm_find_s1_desc_level() call into the respective walkers without taking kvm->srcu. Fix by acquiring kvm->srcu prior to the table walk in both instances.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 8.8 Élevée | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | 7.0 Élevée | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://git.kernel.org/stable/c/0648b375aa951cc15d9e90f9ac4de71e0b51fa45
- https://git.kernel.org/stable/c/97706097f9b851cfe55c3b00b083dfc2bcf542bc Patch
- https://git.kernel.org/stable/c/ec42b4ed1b072ea2d03f086061aa67bad6d8de39 Patch
- https://git.kernel.org/stable/c/f2ca45b50d4216c9cc7ffabf50d9ad1932209251 Patch
- https://access.redhat.com/errata/RHSA-2026:64775
- https://access.redhat.com/security/cve/CVE-2026-53277 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2492725 Issue TrackingThird Party Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53277.json Third Party Advisory