{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43113", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.986Z", "datePublished": "2026-05-06T07:40:39.234Z", "dateUpdated": "2026-05-11T22:17:59.275Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:17:59.275Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wl1251: validate packet IDs before indexing tx_frames\n\nwl1251_tx_packet_cb() uses the firmware completion ID directly to index\nthe fixed 16-entry wl->tx_frames[] array. The ID is a raw u8 from the\ncompletion block, and the callback does not currently verify that it\nfits the array before dereferencing it.\n\nReject completion IDs that fall outside wl->tx_frames[] and keep the\nexisting NULL check in the same guard. This keeps the fix local to the\ntrust boundary and avoids touching the rest of the completion flow."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/ti/wl1251/tx.c"], "versions": [{"version": "2f01a1f58889fbfeb68b1bc1b52e4197f3333490", "lessThan": "b6ba1eacf276063ebeefbbae8056043c24f2efaf", "status": "affected", "versionType": "git"}, {"version": "2f01a1f58889fbfeb68b1bc1b52e4197f3333490", "lessThan": "df15adc692a802636dd3f258fc7cca8bf7a0ed9a", "status": "affected", "versionType": "git"}, {"version": "2f01a1f58889fbfeb68b1bc1b52e4197f3333490", "lessThan": "8d7465be5163a923ee5d7459719ef5a021c1584a", "status": "affected", "versionType": "git"}, {"version": "2f01a1f58889fbfeb68b1bc1b52e4197f3333490", "lessThan": "26ee518695c484f75e3606d631278e84bd24ae02", "status": "affected", "versionType": "git"}, {"version": "2f01a1f58889fbfeb68b1bc1b52e4197f3333490", "lessThan": "0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0", "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/net/wireless/ti/wl1251/tx.c"], "versions": [{"version": "2.6.31", "status": "affected"}, {"version": "0", "lessThan": "2.6.31", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.136", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.83", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.24", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.14", "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": "2.6.31", "versionEndExcluding": "6.6.136"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.12.83"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.18.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.19.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b6ba1eacf276063ebeefbbae8056043c24f2efaf"}, {"url": "https://git.kernel.org/stable/c/df15adc692a802636dd3f258fc7cca8bf7a0ed9a"}, {"url": "https://git.kernel.org/stable/c/8d7465be5163a923ee5d7459719ef5a021c1584a"}, {"url": "https://git.kernel.org/stable/c/26ee518695c484f75e3606d631278e84bd24ae02"}, {"url": "https://git.kernel.org/stable/c/0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0"}], "title": "wifi: wl1251: validate packet IDs before indexing tx_frames", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: wifi: wl1251: validate packet IDs before indexing tx_frames", "id": "2466998", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466998"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1285", "details": ["A flaw was found in the `wl1251` Wi-Fi driver within the Linux kernel. The `wl1251_tx_packet_cb()` function processes firmware completion IDs without proper validation, allowing an attacker to use a crafted ID to access memory outside of allocated bounds. This out-of-bounds access could lead to memory corruption and potentially a denial of service."], "name": "CVE-2026-43113", "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": "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": "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": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43113\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43113\nhttps://lore.kernel.org/linux-cve-announce/2026050625-CVE-2026-43113-cc30@gregkh/T"], "threat_severity": "Moderate"}

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