{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45959", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.089Z", "datePublished": "2026-05-27T12:18:16.039Z", "dateUpdated": "2026-05-27T12:18:16.039Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:18:16.039Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix a crash due to incorrect cleanup usage of kfree\n\nAnnotating a local pointer variable, which will be assigned with the\nkmalloc-family functions, with the `__cleanup(kfree)` attribute will\nmake the address of the local variable, rather than the address returned\nby kmalloc, passed to kfree directly and lead to a crash due to invalid\ndeallocation of stack address. According to other places in the repo,\nthe correct usage should be `__free(kfree)`. The code coincidentally\ncompiled because the parameter type `void *` of kfree is compatible with\nthe desired type `struct { ... } **`."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/ccp/ccp-ops.c"], "versions": [{"version": "a71475582ada92ba021852bf3c2b40ab3718549b", "lessThan": "9a3ace9b010ffd8c422c97844ae152f7c53d6b18", "status": "affected", "versionType": "git"}, {"version": "a71475582ada92ba021852bf3c2b40ab3718549b", "lessThan": "90f9090e3e744a8fe3bb6fa0e61f577347728b0b", "status": "affected", "versionType": "git"}, {"version": "a71475582ada92ba021852bf3c2b40ab3718549b", "lessThan": "d5abcc33ee76bc26d58b39dc1a097e43a99dd438", "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/crypto/ccp/ccp-ops.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.17", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9a3ace9b010ffd8c422c97844ae152f7c53d6b18"}, {"url": "https://git.kernel.org/stable/c/90f9090e3e744a8fe3bb6fa0e61f577347728b0b"}, {"url": "https://git.kernel.org/stable/c/d5abcc33ee76bc26d58b39dc1a097e43a99dd438"}], "title": "crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix a crash due to incorrect cleanup usage of kfree\n\nAnnotating a local pointer variable, which will be assigned with the\nkmalloc-family functions, with the `__cleanup(kfree)` attribute will\nmake the address of the local variable, rather than the address returned\nby kmalloc, passed to kfree directly and lead to a crash due to invalid\ndeallocation of stack address. According to other places in the repo,\nthe correct usage should be `__free(kfree)`. The code coincidentally\ncompiled because the parameter type `void *` of kfree is compatible with\nthe desired type `struct { ... } **`."}], "id": "CVE-2026-45959", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:12.543", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/90f9090e3e744a8fe3bb6fa0e61f577347728b0b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a3ace9b010ffd8c422c97844ae152f7c53d6b18"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d5abcc33ee76bc26d58b39dc1a097e43a99dd438"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}