{"id":"CVE-2023-52600","title":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix uaf in jfs_evict_inode\n\nWhen the execution of diMount(ipimap) fails, the object ipimap that has been\nreleased may be accessed in diFreeSpecial()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix uaf in jfs_evict_inode\n\nWhen the execution of diMount(ipimap) fails, the object ipimap that has been\nreleased may be accessed in diFreeSpecial(). Asynchronous …","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","cwe":["CWE-416"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 4.19.307","linux_kernel >= 4.20, < 5.4.269","linux_kernel >= 5.5, < 5.10.210","linux_kernel >= 5.11, < 5.15.149","linux_kernel >= 5.16, < 6.1.77","linux_kernel >= 6.2, < 6.6.16","linux_kernel >= 6.7, < 6.7.4"],"patched":["linux_kernel 6.7.4"],"published":"2024-03-06","updated":"2026-08-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-52600","references":[{"url":"https://git.kernel.org/stable/c/1696d6d7d4a1b373e96428d0fe1166bd7c3c795e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/32e8f2d95528d45828c613417cb2827d866cbdce","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/81b4249ef37297fb17ba102a524039a05c6c5d35","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8e44dc3f96e903815dab1d74fff8faafdc6feb61","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/93df0a2a0b3cde2d7ab3a52ed46ea1d6d4aaba5f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bacdaa04251382d7efd4f09f9a0686bfcc297e2e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bc6ef64dbe71136f327d63b2b9071b828af2c2a8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e0e1958f4c365e380b17ccb35617345b31ef7bf3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1696d6d7d4a1b373e96428d0fe1166bd7c3c795e","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/32e8f2d95528d45828c613417cb2827d866cbdce","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/81b4249ef37297fb17ba102a524039a05c6c5d35","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/8e44dc3f96e903815dab1d74fff8faafdc6feb61","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/93df0a2a0b3cde2d7ab3a52ed46ea1d6d4aaba5f","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/bacdaa04251382d7efd4f09f9a0686bfcc297e2e","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/bc6ef64dbe71136f327d63b2b9071b828af2c2a8","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/e0e1958f4c365e380b17ccb35617345b31ef7bf3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.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":0.00281,"epssPercentile":0.20834,"ingestedAt":"2026-08-05T05:58:02.826Z","slug":"CVE-2023-52600","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix uaf in jfs_evict_inode\n\nWhen the execution of diMount(ipimap) fails, the object ipimap that has been\nreleased may be accessed in diFreeSpecial(). Asynchronous ipimap release occurs\nwhen rcu_core() calls jfs_free_node().\n\nTherefore, when diMount(ipimap) fails, sbi->ipimap should not be initialized as\nipimap.\n\n## Affected\n\n- `linux_kernel < 4.19.307`\n- `linux_kernel >= 4.20, < 5.4.269`\n- `linux_kernel >= 5.5, < 5.10.210`\n- `linux_kernel >= 5.11, < 5.15.149`\n- `linux_kernel >= 5.16, < 6.1.77`\n- `linux_kernel >= 6.2, < 6.6.16`\n- `linux_kernel >= 6.7, < 6.7.4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.7.4`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}