{"id":"CVE-2022-50321","title":"wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()\n\nThe brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb\nin case of pskb_expand_he…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < 4c55fdebc1c358de96bfab52ed309d58a3ba66ef","Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < e5d01e85cf46628647cd696cb72ba4659b18967f","Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < d869a189505224601e310c7769cb90b0e2f60b31","Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < e08e6812efb6a8c676e733de0518594d1517e0d9","Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < e8ef89e5b89ee041a94eecfb6c31fcc237f9168c","Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < 7f159116d620615779adbf88a5d94713702216d8","Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < 3a4d18318f473e97d628f410215b3fac32d07aed","Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < 212fde3fe76e962598ce1d47b97cc78afdfc71b3","Linux 4.13"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:09:49.353484Z"},"published":"2025-09-15","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:10:34.994Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50321","references":[{"url":"https://git.kernel.org/stable/c/4c55fdebc1c358de96bfab52ed309d58a3ba66ef"},{"url":"https://git.kernel.org/stable/c/e5d01e85cf46628647cd696cb72ba4659b18967f"},{"url":"https://git.kernel.org/stable/c/d869a189505224601e310c7769cb90b0e2f60b31"},{"url":"https://git.kernel.org/stable/c/e08e6812efb6a8c676e733de0518594d1517e0d9"},{"url":"https://git.kernel.org/stable/c/e8ef89e5b89ee041a94eecfb6c31fcc237f9168c"},{"url":"https://git.kernel.org/stable/c/7f159116d620615779adbf88a5d94713702216d8"},{"url":"https://git.kernel.org/stable/c/3a4d18318f473e97d628f410215b3fac32d07aed"},{"url":"https://git.kernel.org/stable/c/212fde3fe76e962598ce1d47b97cc78afdfc71b3"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.05159,"ingestedAt":"2026-11-05T22:38:31.726Z","slug":"CVE-2022-50321","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()\n\nThe brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb\nin case of pskb_expand_head() fails, add dev_kfree_skb() to fix it.\nCompile tested only.\n\n## Affected\n\n- `Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < 4c55fdebc1c358de96bfab52ed309d58a3ba66ef`\n- `Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < e5d01e85cf46628647cd696cb72ba4659b18967f`\n- `Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < d869a189505224601e310c7769cb90b0e2f60b31`\n- `Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < e08e6812efb6a8c676e733de0518594d1517e0d9`\n- `Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < e8ef89e5b89ee041a94eecfb6c31fcc237f9168c`\n- `Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < 7f159116d620615779adbf88a5d94713702216d8`\n- `Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < 3a4d18318f473e97d628f410215b3fac32d07aed`\n- `Linux >= 270a6c1f65fe68a28a5d39cd405592c550b496c7 < 212fde3fe76e962598ce1d47b97cc78afdfc71b3`\n- `Linux 4.13`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}