{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-52596", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-02T21:55:42.571Z", "datePublished": "2024-03-06T06:45:26.094Z", "dateUpdated": "2026-05-11T19:30:01.402Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:30:01.402Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsysctl: Fix out of bounds access for empty sysctl registers\n\nWhen registering tables to the sysctl subsystem there is a check to see\nif header is a permanently empty directory (used for mounts). This check\nevaluates the first element of the ctl_table. This results in an out of\nbounds evaluation when registering empty directories.\n\nThe function register_sysctl_mount_point now passes a ctl_table of size\n1 instead of size 0. It now relies solely on the type to identify\na permanently empty register.\n\nMake sure that the ctl_table has at least one element before testing for\npermanent emptiness." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/proc/proc_sysctl.c" ], "versions": [ { "version": "9edbfe92a0a1355bae1e47c8f542ac0d39f19f8c", "lessThan": "15893975e9e382f8294ea8d926f08dc2d8d39ede", "status": "affected", "versionType": "git" }, { "version": "9edbfe92a0a1355bae1e47c8f542ac0d39f19f8c", "lessThan": "2ae7081bc10123b187e36a4f3a8e53768de31489", "status": "affected", "versionType": "git" }, { "version": "9edbfe92a0a1355bae1e47c8f542ac0d39f19f8c", "lessThan": "315552310c7de92baea4e570967066569937a843", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/proc/proc_sysctl.c" ], "versions": [ { "version": "6.6", "status": "affected" }, { "version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.16", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7.4", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.6.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.7.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.8" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/15893975e9e382f8294ea8d926f08dc2d8d39ede" }, { "url": "https://git.kernel.org/stable/c/2ae7081bc10123b187e36a4f3a8e53768de31489" }, { "url": "https://git.kernel.org/stable/c/315552310c7de92baea4e570967066569937a843" } ], "title": "sysctl: Fix out of bounds access for empty sysctl registers", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-52596", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-06T15:39:37.053752Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:22:38.702Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:21.269Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/15893975e9e382f8294ea8d926f08dc2d8d39ede", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2ae7081bc10123b187e36a4f3a8e53768de31489", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/315552310c7de92baea4e570967066569937a843", "tags": [ "x_transferred" ] } ] } ] } }