{"id":"CVE-2024-39493","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - Fix ADF_DEV_RESET_SYNC memory leak\n\nUsing completion_done to determine whether the caller has gone\naway only works after a complete call","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - Fix ADF_DEV_RESET_SYNC memory leak\n\nUsing completion_done to determine whether the caller has gone\naway only works after a complete call.  Furthermore it'…","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 >= 4.19.312, < 4.19.316","linux_kernel >= 5.4.274, < 5.4.278","linux_kernel >= 5.10.215, < 5.10.219","linux_kernel >= 5.15.154, < 5.15.161","linux_kernel >= 6.1.84, < 6.1.94","linux_kernel >= 6.6.24, < 6.6.34","linux_kernel >= 6.9, < 6.9.5"],"patched":["linux_kernel 6.9.5"],"published":"2024-07-10","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:18:34.500","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-39493","references":[{"url":"https://git.kernel.org/stable/c/0ce5964b82f212f4df6a9813f09a0b5de15bd9c8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3fb4601e0db10d4fe25e46f3fa308d40d37366bd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6396b33e98c096bff9c253ed49c008247963492a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a718b6d2a329e069b27d9049a71be5931e71d960","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c2d443aa1ae3175c13a665f3a24b8acd759ce9c3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d0fd124972724cce0d48b9865ce3e273ef69e246","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d3b17c6d9dddc2db3670bc9be628b122416a3d26","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e7428e7e3fe94a5089dc12ffe5bc31574d2315ad","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0ce5964b82f212f4df6a9813f09a0b5de15bd9c8","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/3fb4601e0db10d4fe25e46f3fa308d40d37366bd","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/6396b33e98c096bff9c253ed49c008247963492a","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/a718b6d2a329e069b27d9049a71be5931e71d960","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/c2d443aa1ae3175c13a665f3a24b8acd759ce9c3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/d0fd124972724cce0d48b9865ce3e273ef69e246","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/d3b17c6d9dddc2db3670bc9be628b122416a3d26","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/e7428e7e3fe94a5089dc12ffe5bc31574d2315ad","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00239,"epssPercentile":0.14894,"ingestedAt":"2026-10-15T03:30:12.718Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-07-10T13:38:46.024569Z"},"slug":"CVE-2024-39493","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - Fix ADF_DEV_RESET_SYNC memory leak\n\nUsing completion_done to determine whether the caller has gone\naway only works after a complete call.  Furthermore it's still\npossible that the caller has not yet called wait_for_completion,\nresulting in another potential UAF.\n\nFix this by making the caller use cancel_work_sync and then freeing\nthe memory safely.\n\n## Affected\n\n- `linux_kernel >= 4.19.312, < 4.19.316`\n- `linux_kernel >= 5.4.274, < 5.4.278`\n- `linux_kernel >= 5.10.215, < 5.10.219`\n- `linux_kernel >= 5.15.154, < 5.15.161`\n- `linux_kernel >= 6.1.84, < 6.1.94`\n- `linux_kernel >= 6.6.24, < 6.6.34`\n- `linux_kernel >= 6.9, < 6.9.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.9.5`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}