{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23096", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.964Z", "datePublished": "2026-02-04T16:08:18.785Z", "dateUpdated": "2026-02-04T16:08:18.785Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-04T16:08:18.785Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nuacce: fix cdev handling in the cleanup path\n\nWhen cdev_device_add fails, it internally releases the cdev memory,\nand if cdev_device_del is then executed, it will cause a hang error.\nTo fix it, we check the return value of cdev_device_add() and clear\nuacce->cdev to avoid calling cdev_device_del in the uacce_remove."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/misc/uacce/uacce.c"], "versions": [{"version": "015d239ac0142ad0e26567fd890ef8d171f13709", "lessThan": "d9031575a2f8aabc53af3025dd79af313a2e046b", "status": "affected", "versionType": "git"}, {"version": "015d239ac0142ad0e26567fd890ef8d171f13709", "lessThan": "98d67a1bd6caddd0a8b8c82a0b925742cf500936", "status": "affected", "versionType": "git"}, {"version": "015d239ac0142ad0e26567fd890ef8d171f13709", "lessThan": "bd2393ed7712513e7e2dbcb6e21464a67ff9e702", "status": "affected", "versionType": "git"}, {"version": "015d239ac0142ad0e26567fd890ef8d171f13709", "lessThan": "a3bece3678f6c88db1f44c602b2a63e84b4040ac", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/misc/uacce/uacce.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.122", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.68", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.8", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-rc7", "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": "5.7", "versionEndExcluding": "6.6.122"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.12.68"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.18.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.19-rc7"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d9031575a2f8aabc53af3025dd79af313a2e046b"}, {"url": "https://git.kernel.org/stable/c/98d67a1bd6caddd0a8b8c82a0b925742cf500936"}, {"url": "https://git.kernel.org/stable/c/bd2393ed7712513e7e2dbcb6e21464a67ff9e702"}, {"url": "https://git.kernel.org/stable/c/a3bece3678f6c88db1f44c602b2a63e84b4040ac"}], "title": "uacce: fix cdev handling in the cleanup path", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nuacce: fix cdev handling in the cleanup path\n\nWhen cdev_device_add fails, it internally releases the cdev memory,\nand if cdev_device_del is then executed, it will cause a hang error.\nTo fix it, we check the return value of cdev_device_add() and clear\nuacce->cdev to avoid calling cdev_device_del in the uacce_remove."}], "id": "CVE-2026-23096", "lastModified": "2026-02-05T14:57:20.563", "metrics": {}, "published": "2026-02-04T17:16:20.473", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/98d67a1bd6caddd0a8b8c82a0b925742cf500936"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a3bece3678f6c88db1f44c602b2a63e84b4040ac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bd2393ed7712513e7e2dbcb6e21464a67ff9e702"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d9031575a2f8aabc53af3025dd79af313a2e046b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: uacce: fix cdev handling in the cleanup path", "id": "2436797", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436797"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2026-23096", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-02-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23096\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23096\nhttps://lore.kernel.org/linux-cve-announce/2026020427-CVE-2026-23096-e5af@gregkh/T"]}