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CVE-2022-50252

igb: Do not free q_vector unless new one was allocated

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: igb: Do not free q_vector unless new one was allocated Avoid potential use-after-free condition under memory pressure. If the kzalloc() fails, q_vector will be freed but left in the original adapter->q_vector[v_idx] array position.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/0200f0fbb11e359cc35af72ab10b2ec224e6f633https://git.kernel.org/stable/c/0668716506ca66f90d395f36ccdaebc3e0e84801https://git.kernel.org/stable/c/314f7092b27749bdde44c14095b5533afa2a3bc8https://git.kernel.org/stable/c/3cb18dea11196fb4a06f78294cec5e61985e1affhttps://git.kernel.org/stable/c/56483aecf6b22eb7dff6315b3a174688c6ad494chttps://git.kernel.org/stable/c/64ca1969599857143e91aeec4440640656100803https://git.kernel.org/stable/c/68e8adbcaf7a8743e473343b38b9dad66e2ac6f3https://git.kernel.org/stable/c/6e399577bd397a517df4b938601108c63769ce0ahttps://git.kernel.org/stable/c/f96bd8adc8adde25390965a8c1ee81b73cb62075