{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46094", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.097Z", "datePublished": "2026-05-27T12:58:45.304Z", "dateUpdated": "2026-06-14T17:53:57.266Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:53:57.266Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix bounds check in check_xattrs() to prevent out-of-bounds access\n\nThe bounds check for the next xattr entry in check_xattrs() uses\n(void *)next >= end, which allows next to point within sizeof(u32)\nbytes of end. On the next loop iteration, IS_LAST_ENTRY() reads 4\nbytes via *(__u32 *)(entry), which can overrun the valid xattr region.\n\nFor example, if next lands at end - 1, the check passes since\nnext < end, but IS_LAST_ENTRY() reads 4 bytes starting at end - 1,\naccessing 3 bytes beyond the valid region.\n\nFix this by changing the check to (void *)next + sizeof(u32) > end,\nensuring there is always enough space for the IS_LAST_ENTRY() read\non the subsequent iteration."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ext4/xattr.c"], "versions": [{"version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "lessThan": "ab6da97bc310db35d4e4ef5354bc3ff626b0698c", "status": "affected", "versionType": "git"}, {"version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "lessThan": "5a5314d2387633a272a04d1bd8727f99058e4e68", "status": "affected", "versionType": "git"}, {"version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "lessThan": "537e065977022aa22f2c2503e8accaf16622e0fd", "status": "affected", "versionType": "git"}, {"version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "lessThan": "520986722dbf869c122252123fc161c7302eab7d", "status": "affected", "versionType": "git"}, {"version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "lessThan": "eceafc31ea7b42c984ece10d79d505c0bb6615d5", "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/ext4/xattr.c"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.86", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.3", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.12.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ab6da97bc310db35d4e4ef5354bc3ff626b0698c"}, {"url": "https://git.kernel.org/stable/c/5a5314d2387633a272a04d1bd8727f99058e4e68"}, {"url": "https://git.kernel.org/stable/c/537e065977022aa22f2c2503e8accaf16622e0fd"}, {"url": "https://git.kernel.org/stable/c/520986722dbf869c122252123fc161c7302eab7d"}, {"url": "https://git.kernel.org/stable/c/eceafc31ea7b42c984ece10d79d505c0bb6615d5"}], "title": "ext4: fix bounds check in check_xattrs() to prevent out-of-bounds access", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/ext4/xattr.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ab6da97bc310db35d4e4ef5354bc3ff626b0698c", "status": "affected", "version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "versionType": "git"}, {"lessThan": "5a5314d2387633a272a04d1bd8727f99058e4e68", "status": "affected", "version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "versionType": "git"}, {"lessThan": "537e065977022aa22f2c2503e8accaf16622e0fd", "status": "affected", "version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "versionType": "git"}, {"lessThan": "520986722dbf869c122252123fc161c7302eab7d", "status": "affected", "version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "versionType": "git"}, {"lessThan": "eceafc31ea7b42c984ece10d79d505c0bb6615d5", "status": "affected", "version": "3478c83cf26bbffd026ae6a56bcb1fe544f0834e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/ext4/xattr.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.3"}, {"lessThan": "6.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.140", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.86", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.27", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix bounds check in check_xattrs() to prevent out-of-bounds access\n\nThe bounds check for the next xattr entry in check_xattrs() uses\n(void *)next >= end, which allows next to point within sizeof(u32)\nbytes of end. On the next loop iteration, IS_LAST_ENTRY() reads 4\nbytes via *(__u32 *)(entry), which can overrun the valid xattr region.\n\nFor example, if next lands at end - 1, the check passes since\nnext < end, but IS_LAST_ENTRY() reads 4 bytes starting at end - 1,\naccessing 3 bytes beyond the valid region.\n\nFix this by changing the check to (void *)next + sizeof(u32) > end,\nensuring there is always enough space for the IS_LAST_ENTRY() read\non the subsequent iteration."}], "id": "CVE-2026-46094", "lastModified": "2026-06-17T10:53:03.440", "metrics": {}, "published": "2026-05-27T14:17:30.963", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/520986722dbf869c122252123fc161c7302eab7d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/537e065977022aa22f2c2503e8accaf16622e0fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5a5314d2387633a272a04d1bd8727f99058e4e68"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ab6da97bc310db35d4e4ef5354bc3ff626b0698c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eceafc31ea7b42c984ece10d79d505c0bb6615d5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ext4: fix bounds check in check_xattrs() to prevent out-of-bounds access", "id": "2482148", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482148"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in the Linux kernel's ext4 filesystem, specifically in the `check_xattrs()` function. A local attacker could exploit a bounds check error, allowing an out-of-bounds read when processing extended attributes (xattrs). This could lead to memory corruption, potentially causing a denial of service or information disclosure."], "name": "CVE-2026-46094", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46094\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46094\nhttps://lore.kernel.org/linux-cve-announce/2026052703-CVE-2026-46094-7344@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3478c83cf26bbffd026ae6a56bcb1fe544f0834e,ab6da97bc310db35d4e4ef5354bc3ff626b0698c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3478c83cf26bbffd026ae6a56bcb1fe544f0834e,5a5314d2387633a272a04d1bd8727f99058e4e68)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3478c83cf26bbffd026ae6a56bcb1fe544f0834e,537e065977022aa22f2c2503e8accaf16622e0fd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3478c83cf26bbffd026ae6a56bcb1fe544f0834e,520986722dbf869c122252123fc161c7302eab7d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3478c83cf26bbffd026ae6a56bcb1fe544f0834e,eceafc31ea7b42c984ece10d79d505c0bb6615d5)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.3"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.140,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.86,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.27,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.4,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T21:30:34.718519+00:00", "updated": "2026-05-29T05:00:07.822893+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}