CVE-2026-53314
Açıklama (NVD)
In the Linux kernel, the following vulnerability has been resolved: padata: Put CPU offline callback in ONLINE section to allow failure syzbot reported the following warning: DEAD callback error for CPU1 WARNING: kernel/cpu.c:1463 at _cpu_down+0x759/0x1020 kernel/cpu.c:1463, CPU#0: syz.0.1960/14614 at commit 4ae12d8bd9a8 ("Merge tag 'kbuild-fixes-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux") which tglx traced to padata_cpu_dead() given it's the only sub-CPUHP_TEARDOWN_CPU callback that returns an error. Failure isn't allowed in hotplug states before CPUHP_TEARDOWN_CPU so move the CPU offline callback to the ONLINE section where failure is possible.
Yayın: 26.06.2026 · Son değişiklik: 06.11.2026
CVSS 3.1 metrikleri
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Saldırı vektörü | Yerel |
| Karmaşıklık | Düşük |
| Gereken yetki | Düşük |
| Kullanıcı etkileşimi | Gerekmez |
| Kapsam | Değişmez |
| Gizlilik | Yok |
| Bütünlük | Yok |
| Erişilebilirlik | Yüksek |
Hesaplanan temel puan: 5.5. CVSS hesaplayıcıda incele
Referanslar
- https://git.kernel.org/stable/c/3e6c08dd97dcd22a00aee469e0adfa819071d80e
- https://git.kernel.org/stable/c/5a9f29a3e076b637d2234093e57989cf755ded5b
- https://git.kernel.org/stable/c/65dae8b34f0810f3fa9f77c4c63650cd20820693
- https://git.kernel.org/stable/c/9afe53f14a2aae8c4beb30e5ea51641a34f1a3d3
- https://git.kernel.org/stable/c/a6d44f477000c6352de6b05e9e276e62083e5fbf
- https://git.kernel.org/stable/c/c8c4a2972f83c8b68ff03b43cecdb898939ff851