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CVE-2025-21745
MEDIUM5.5
Descricao
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @block_class's subsystem refcount leakage blkcg_fill_root_iostats() iterates over @block_class's devices by class_dev_iter_(init|next)(), but does not end iterating with class_dev_iter_exit(), so causes the class's subsystem refcount leakage. Fix by ending the iterating with class_dev_iter_exit().
Detalhes CVE
Pontuacao CVSS v3.15.5
SeveridadeMEDIUM
Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vetor de ataqueLOCAL
ComplexidadeLOW
Privilegios necessariosLOW
Interacao do usuarioNONE
Publicado2/27/2025
Ultima modificacao11/3/2025
Fontenvd
Avistamentos honeypot0
Produtos afetados
linux:linux_kernel
Referencias
https://git.kernel.org/stable/c/2ce09aabe009453d641a2ceb79e6461a2d4f3876(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/38287f779b34dfe959b4b681e909f2d3d52b88be(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/431b6ef2714be4d5babb802114987541a88b43b0(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/67c7f213e052b1aa6caba4a7e25e303bc6997126(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/993121481b5a87829f1e8163f47158b72679f309(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/d1248436cbef1f924c04255367ff4845ccd9025e(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/ffb494f1e7a047bd7a41b13796fcfb08fe5beafb(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html(af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html(af854a3a-2127-422b-91ae-364da2661108)
Correlacoes IOC
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