CVE-2021-47373: falha em Linux
irqchip/gic-v3-its: Fix potential VPE leak on error
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3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.3%
probabilidade de exploração
0.3%top 85% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
irqchip/gic-v3-its: Fix potential VPE leak on error
In its_vpe_irq_domain_alloc, when its_vpe_init() returns an error,
there is an off-by-one in the number of VPEs to be freed.
Fix it by simply passing the number of VPEs allocated, which is the
index of the loop iterating over the VPEs.
[maz: fixed commit message]
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Referências
https://git.kernel.org/stable/c/280bef512933b2dda01d681d8cbe499b98fc5bddhttps://git.kernel.org/stable/c/42d3711c23781045e7a5cd28536c774b9a66d20bhttps://git.kernel.org/stable/c/568662e37f927e3dc3e475f3ff7cf4ab7719c5e7https://git.kernel.org/stable/c/5701e8bff314c155e7afdc467b1e0389d86853d0https://git.kernel.org/stable/c/7d39992d45acd6f2d6b2f62389c55b61fb3d486bhttps://git.kernel.org/stable/c/e0c1c2e5da19685a20557a50f10c6aa4fa26aa84