CVE-2022-50321
MEDIUM severity · CVSS 5.5 · CWE-401
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit() The brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb in case of pskb_expand_head() fails, add dev_kfree_skb() to fix it. Compile tested only.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/212fde3fe76e962598ce1d47b97cc78afdfc71b3 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/212fde3fe76e962598ce1d47b97cc78afdfc71b3Patch
- https://git.kernel.org/stable/c/3a4d18318f473e97d628f410215b3fac32d07aedPatch
- https://git.kernel.org/stable/c/4c55fdebc1c358de96bfab52ed309d58a3ba66efPatch
- https://git.kernel.org/stable/c/7f159116d620615779adbf88a5d94713702216d8Patch
- https://git.kernel.org/stable/c/d869a189505224601e310c7769cb90b0e2f60b31Patch
- https://git.kernel.org/stable/c/e08e6812efb6a8c676e733de0518594d1517e0d9Patch
- https://git.kernel.org/stable/c/e5d01e85cf46628647cd696cb72ba4659b18967fPatch
- https://git.kernel.org/stable/c/e8ef89e5b89ee041a94eecfb6c31fcc237f9168cPatch