CVE-2026-98476: falha em Linux
s390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()
Publicada em · Atualizada em
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.2%
probabilidade de exploração
0.2%top 93% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
s390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()
The channel path registry entry associated with a CHPID may be removed
while the subchannel's PMCW still references that CHPID. In this case,
chpid_to_chp() can return NULL, leading to a NULL pointer dereference.
Add the missing NULL check before dereferencing the returned pointer.
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Referências
https://git.kernel.org/stable/c/27e396a89f76f742abdbe9f8c4a58a6e806fdf59https://git.kernel.org/stable/c/44b16b02608058fc72198ac0205969f0f43065dfhttps://git.kernel.org/stable/c/5b76268dac968612f7283d59b539036de955b7d9https://git.kernel.org/stable/c/5e006ac90a4d331db1dd712b91fec849b45ffc01https://git.kernel.org/stable/c/5fc54e04dad90b15d0430118b3f288a1d64e66c9https://git.kernel.org/stable/c/9d8b21820caed9128945fffcedf03e2a4c21eee2https://git.kernel.org/stable/c/c3bbcb32deecc06ebb1762398399b566d5ff2fc9https://git.kernel.org/stable/c/dbf30e661ceb9a52c94c85719716391dcc29142a