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CVE-2022-50252

igb: Do not free q_vector unless new one was allocated

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.19, 4.2, 4.3, 4.9.337, 4.14.303, and 6 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in 64ca1969599857143e91aeec4440640656100803; From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in 0200f0fbb11e359cc35af72ab10b2ec224e6f633; From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in 68e8adbcaf7a8743e473343b38b9dad66e2ac6f3; From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in f96bd8adc8adde25390965a8c1ee81b73cb62075; From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in 3cb18dea11196fb4a06f78294cec5e61985e1aff; From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in 314f7092b27749bdde44c14095b5533afa2a3bc8; From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in 6e399577bd397a517df4b938601108c63769ce0a; From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in 56483aecf6b22eb7dff6315b3a174688c6ad494c; From 72ddef0506da852dc82f078f37ced8ef4d74a2bf · fixed in 0668716506ca66f90d395f36ccdaebc3e0e84801; From 3.18.23 · fixed in 3.19; From 4.1.9 · fixed in 4.2; From 4.2.2 · fixed in 4.3

  • Linux Linux

    4.3

  • KernelLinux

    From 4.3.0 · fixed in 4.9.337; From 4.10.0 · fixed in 4.14.303; From 4.15.0 · fixed in 4.19.270; From 4.20.0 · fixed in 5.4.229; From 5.5.0 · fixed in 5.10.163; From 5.11.0 · fixed in 5.15.86; From 5.16.0 · fixed in 6.0.16; From 6.1.0 · fixed in 6.1.2

References 9

git.kernel.org