{"id":"CVE-2024-49955","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: battery: Fix possible crash when unregistering a battery hook\n\nWhen a battery hook returns an error when adding a new battery, then\nthe battery hook is automatica…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: battery: Fix possible crash when unregistering a battery hook\n\nWhen a battery hook returns an error when adding a new battery, then\nthe battery hook is automatica…","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-672"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.17, < 5.10.227","linux_kernel >= 5.11, < 5.15.168","linux_kernel >= 5.16, < 6.1.113","linux_kernel >= 6.2, < 6.6.55","linux_kernel >= 6.7, < 6.10.14","linux_kernel >= 6.11, < 6.11.3","linux_kernel = 6.12"],"patched":["linux_kernel 6.11.3"],"published":"2024-10-21","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:19:02.440","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-49955","references":[{"url":"https://git.kernel.org/stable/c/07b98400cb0285a6348188aa8c5ec6a2ae0551f7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/76959aff14a0012ad6b984ec7686d163deccdc16","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/76fb2cbf01571926da8ecf6876cc8cb07d3f5183","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9f469ef1c79dac7f9ac1518643a33703918f7e13","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c47843a831e0eae007ad7e848d208e675ba4c132","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ca1fb7942a287b40659cc79551a1de54a2c2e7d5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ca26e8eed9c1c6651f51f7fa38fe444f8573cd1b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ce31847f109c3a5b2abdd19d7bcaafaacfde53de","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/da964de4c18199e14b961b5b2e5e6570552a313c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","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-355557.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00339,"epssPercentile":0.27185,"ingestedAt":"2026-10-15T03:30:12.756Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-10-22T13:35:51.725072Z"},"slug":"CVE-2024-49955","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nACPI: battery: Fix possible crash when unregistering a battery hook\n\nWhen a battery hook returns an error when adding a new battery, then\nthe battery hook is automatically unregistered.\nHowever the battery hook provider cannot know that, so it will later\ncall battery_hook_unregister() on the already unregistered battery\nhook, resulting in a crash.\n\nFix this by using the list head to mark already unregistered battery\nhooks as already being unregistered so that they can be ignored by\nbattery_hook_unregister().\n\n## Affected\n\n- `linux_kernel >= 4.17, < 5.10.227`\n- `linux_kernel >= 5.11, < 5.15.168`\n- `linux_kernel >= 5.16, < 6.1.113`\n- `linux_kernel >= 6.2, < 6.6.55`\n- `linux_kernel >= 6.7, < 6.10.14`\n- `linux_kernel >= 6.11, < 6.11.3`\n- `linux_kernel = 6.12`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.11.3`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}