{"id":"CVE-2026-80737","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-80737","summary":"serial: amba-pl011: synchronize DMA teardown","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: amba-pl011: synchronize DMA teardown\n\ndmaengine_terminate_all() does not wait for a running callback, so the TX\ncallback can still touch the TX buffer after it is freed. The RX poll\ntimer reads the RX buffers without the port lock.\n\nSwitch to dmaengine_terminate_sync() and delete the RX timer before\nfreeing the buffers.","published":"2026-09-03T08:21:52.539Z","modified":"2026-09-05T03:48:34.785683722Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"5.10.267"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/440915499231e9db1c361aa45bb702e8fd3b4a32"},{"type":"WEB","url":"https://git.kernel.org/stable/c/44bd0ecc3444882d08ecfbc2b2418d2f463d3186"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5974cb66681eac367107b05924744d7e3b49d41c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9f6989e477f03a4721d34bb4b09b17accd40283e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a38fae9d212e2d3ed5e9ec0ef773f8c0a27fb76e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c8c8e895f65fbf71ea6224e27cf8dab91b776e0d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f70c9d4fba46463a5b1c7b3ee9ee3b40c90dac03"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fdfb46c387241b4eddd36d746793764413285913"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80737.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80737"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-05T03:48:34.785683722Z"}}