CVE-2022-50321

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux270a6c1f65fe68a28a5d39cd405592c550b496c7 < 4c55fdebc1c358de96bfab52ed309d58a3ba66efaffected
LinuxLinux270a6c1f65fe68a28a5d39cd405592c550b496c7 < e5d01e85cf46628647cd696cb72ba4659b18967faffected
LinuxLinux270a6c1f65fe68a28a5d39cd405592c550b496c7 < d869a189505224601e310c7769cb90b0e2f60b31affected
LinuxLinux270a6c1f65fe68a28a5d39cd405592c550b496c7 < e08e6812efb6a8c676e733de0518594d1517e0d9affected
LinuxLinux270a6c1f65fe68a28a5d39cd405592c550b496c7 < e8ef89e5b89ee041a94eecfb6c31fcc237f9168caffected
LinuxLinux270a6c1f65fe68a28a5d39cd405592c550b496c7 < 7f159116d620615779adbf88a5d94713702216d8affected
LinuxLinux270a6c1f65fe68a28a5d39cd405592c550b496c7 < 3a4d18318f473e97d628f410215b3fac32d07aedaffected
LinuxLinux270a6c1f65fe68a28a5d39cd405592c550b496c7 < 212fde3fe76e962598ce1d47b97cc78afdfc71b3affected
LinuxLinux4.13affected
LinuxLinux0 < 4.13unaffected
LinuxLinux4.14.308 <= 4.14.*unaffected
LinuxLinux4.19.276 <= 4.19.*unaffected
LinuxLinux5.4.235 <= 5.4.*unaffected
LinuxLinux5.10.173 <= 5.10.*unaffected
LinuxLinux5.15.99 <= 5.15.*unaffected
LinuxLinux6.1.16 <= 6.1.*unaffected
LinuxLinux6.2.3 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

References