{"id":"CVE-2023-52436","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: explicitly null-terminate the xattr list\n\nWhen setting an xattr, explicitly null-terminate the xattr list","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: explicitly null-terminate the xattr list\n\nWhen setting an xattr, explicitly null-terminate the xattr list.  This\neliminates the fragile assumption that the unused…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 4.19.306","linux_kernel >= 4.20.0, < 5.4.268","linux_kernel >= 5.5.0, < 5.10.209","linux_kernel >= 5.11.0, < 5.15.148","linux_kernel >= 5.16.0, < 6.1.74","linux_kernel >= 6.2.0, < 6.6.13","linux_kernel >= 6.7.0, < 6.7.1"],"patched":["linux_kernel 6.7.1"],"published":"2024-02-20","updated":"2026-08-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-52436","references":[{"url":"https://git.kernel.org/stable/c/12cf91e23b126718a96b914f949f2cdfeadc7b2a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/16ae3132ff7746894894927c1892493693b89135","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2525d1ba225b5c167162fa344013c408e8b4de36","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/32a6cfc67675ee96fe107aeed5af9776fec63f11","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3e47740091b05ac8d7836a33afd8646b6863ca52","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5de9e9dd1828db9b8b962f7ca42548bd596deb8a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e26b6d39270f5eab0087453d9b544189a38c8564","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f6c30bfe5a49bc38cae985083a11016800708fea","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/12cf91e23b126718a96b914f949f2cdfeadc7b2a","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/16ae3132ff7746894894927c1892493693b89135","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/2525d1ba225b5c167162fa344013c408e8b4de36","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/32a6cfc67675ee96fe107aeed5af9776fec63f11","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/3e47740091b05ac8d7836a33afd8646b6863ca52","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/5de9e9dd1828db9b8b962f7ca42548bd596deb8a","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/e26b6d39270f5eab0087453d9b544189a38c8564","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/f6c30bfe5a49bc38cae985083a11016800708fea","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00302,"epssPercentile":0.20411,"ingestedAt":"2026-08-04T10:39:37.278Z","slug":"CVE-2023-52436","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: explicitly null-terminate the xattr list\n\nWhen setting an xattr, explicitly null-terminate the xattr list.  This\neliminates the fragile assumption that the unused xattr space is always\nzeroed.\n\n## Affected\n\n- `linux_kernel < 4.19.306`\n- `linux_kernel >= 4.20.0, < 5.4.268`\n- `linux_kernel >= 5.5.0, < 5.10.209`\n- `linux_kernel >= 5.11.0, < 5.15.148`\n- `linux_kernel >= 5.16.0, < 6.1.74`\n- `linux_kernel >= 6.2.0, < 6.6.13`\n- `linux_kernel >= 6.7.0, < 6.7.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.7.1`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}