{"id":"CVE-2022-26878","title":"drivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory leak (socket buffers have memory allocated but not freed).","summary":"drivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory leak (socket buffers have memory allocated but not freed).","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-401"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.13, < 5.15.17","linux_kernel >= 5.16, < 5.16.3"],"patched":["linux_kernel 5.16.3"],"published":"2022-03-11","updated":"2026-10-08","sourceUpdated":"2026-10-08T22:17:19.880","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-26878","references":[{"url":"http://www.openwall.com/lists/oss-security/2022/03/11/1","label":"cve@mitre.org"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.17","label":"cve@mitre.org"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3","label":"cve@mitre.org"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d0688421449718c6c5f46e458a378c9b530ba18","label":"cve@mitre.org"},{"url":"https://lore.kernel.org/linux-bluetooth/1A203F5E-FB5E-430C-BEA3-86B191D69D58%40holtmann.org/","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/03/11/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.17","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d0688421449718c6c5f46e458a378c9b530ba18","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/linux-bluetooth/1A203F5E-FB5E-430C-BEA3-86B191D69D58%40holtmann.org/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00333,"epssPercentile":0.24458,"ingestedAt":"2026-10-08T23:16:47.335Z","slug":"CVE-2022-26878","body":"## Overview\n\ndrivers/bluetooth/virtio_bt.c in the Linux kernel before 5.16.3 has a memory leak (socket buffers have memory allocated but not freed).\n\n## Affected\n\n- `linux_kernel >= 5.13, < 5.15.17`\n- `linux_kernel >= 5.16, < 5.16.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.16.3`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}