CVE-2026-80641

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80641", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.778Z", "datePublished": "2026-08-28T06:48:53.241Z", "dateUpdated": "2026-08-28T06:48:53.241Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:48:53.241Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wlcore: enable the right set of ciphers\n\nThe firmware version number check for IGTK introduced in\ncommit c34dbc5900b0 (\"wifi: wlcore: Add support for IGTK key\")\n\nlets the amount of ciphers decrease on every boot of a too old firmware and\nthat is practically happening. It also does not take into account other\nchips than the wl18xx. On some wl128x, the following can be observed\nwhen connecting via nm to a common ap:\n\n[ 484.113311] wlcore: WARNING could not set keys\n[ 484.117828] wlcore: ERROR Could not add or replace key\n[ 484.123016] wlan0: failed to set key (5, ff:ff:ff:ff:ff:ff) to hardware (-5)\n[ 484.123046] wlcore: Hardware recovery in progress. FW ver: Rev 7.3.10.0.142\n[ 484.139923] wlcore: pc: 0x0, hint_sts: 0x00000048 count: 1\n[ 484.145721] wlcore: down\n[ 484.148986] ieee80211 phy0: Hardware restart was requested\n[ 484.610473] wlcore: firmware booted (Rev 7.3.10.0.142)\n[ 484.633758] wlcore: Association completed.\n[ 484.690490] wlcore: ERROR command execute failure 14\n[ 484.690490] ------------[ cut here ]------------\n[ 484.700195] WARNING: drivers/net/wireless/ti/wlcore/main.c:872 at wl12xx_queue_recovery_work+0x64/0x74 [wlcore], CPU#0: kworker/0:0/892\n\nThis repeats endlessly.\nAlways disable IGTK on wl12xx and fix the decrementing mess."}], "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/wlcore/main.c"], "versions": [{"version": "c34dbc5900b0158edaab51c481510d66679d8f72", "lessThan": "ff9748200698e9641f41ba922ffef728167807c2", "status": "affected", "versionType": "git"}, {"version": "c34dbc5900b0158edaab51c481510d66679d8f72", "lessThan": "7495adaa0e45e180f4b6b7436675c6266edff1ff", "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/wlcore/main.c"], "versions": [{"version": "7.0", "status": "affected"}, {"version": "0", "lessThan": "7.0", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "7.0", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ff9748200698e9641f41ba922ffef728167807c2"}, {"url": "https://git.kernel.org/stable/c/7495adaa0e45e180f4b6b7436675c6266edff1ff"}], "title": "wifi: wlcore: enable the right set of ciphers", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/ti/wlcore/main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ff9748200698e9641f41ba922ffef728167807c2", "status": "affected", "version": "c34dbc5900b0158edaab51c481510d66679d8f72", "versionType": "git"}, {"lessThan": "7495adaa0e45e180f4b6b7436675c6266edff1ff", "status": "affected", "version": "c34dbc5900b0158edaab51c481510d66679d8f72", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/ti/wlcore/main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.0"}, {"lessThan": "7.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nwifi: wlcore: enable the right set of ciphers\n\nThe firmware version number check for IGTK introduced in\ncommit c34dbc5900b0 (\"wifi: wlcore: Add support for IGTK key\")\n\nlets the amount of ciphers decrease on every boot of a too old firmware and\nthat is practically happening. It also does not take into account other\nchips than the wl18xx. On some wl128x, the following can be observed\nwhen connecting via nm to a common ap:\n\n[ 484.113311] wlcore: WARNING could not set keys\n[ 484.117828] wlcore: ERROR Could not add or replace key\n[ 484.123016] wlan0: failed to set key (5, ff:ff:ff:ff:ff:ff) to hardware (-5)\n[ 484.123046] wlcore: Hardware recovery in progress. FW ver: Rev 7.3.10.0.142\n[ 484.139923] wlcore: pc: 0x0, hint_sts: 0x00000048 count: 1\n[ 484.145721] wlcore: down\n[ 484.148986] ieee80211 phy0: Hardware restart was requested\n[ 484.610473] wlcore: firmware booted (Rev 7.3.10.0.142)\n[ 484.633758] wlcore: Association completed.\n[ 484.690490] wlcore: ERROR command execute failure 14\n[ 484.690490] ------------[ cut here ]------------\n[ 484.700195] WARNING: drivers/net/wireless/ti/wlcore/main.c:872 at wl12xx_queue_recovery_work+0x64/0x74 [wlcore], CPU#0: kworker/0:0/892\n\nThis repeats endlessly.\nAlways disable IGTK on wl12xx and fix the decrementing mess."}], "id": "CVE-2026-80641", "lastModified": "2026-08-28T08:16:49.003", "metrics": {}, "published": "2026-08-28T08:16:49.003", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7495adaa0e45e180f4b6b7436675c6266edff1ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff9748200698e9641f41ba922ffef728167807c2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: wlcore: enable the right set of ciphers", "id": "2525494", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525494"}, "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-835", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: wlcore: enable the right set of ciphers\nThe firmware version number check for IGTK introduced in\ncommit c34dbc5900b0 (\"wifi: wlcore: Add support for IGTK key\")\nlets the amount of ciphers decrease on every boot of a too old firmware and\nthat is practically happening. It also does not take into account other\nchips than the wl18xx. On some wl128x, the following can be observed\nwhen connecting via nm to a common ap:\n[ 484.113311] wlcore: WARNING could not set keys\n[ 484.117828] wlcore: ERROR Could not add or replace key\n[ 484.123016] wlan0: failed to set key (5, ff:ff:ff:ff:ff:ff) to hardware (-5)\n[ 484.123046] wlcore: Hardware recovery in progress. FW ver: Rev 7.3.10.0.142\n[ 484.139923] wlcore: pc: 0x0, hint_sts: 0x00000048 count: 1\n[ 484.145721] wlcore: down\n[ 484.148986] ieee80211 phy0: Hardware restart was requested\n[ 484.610473] wlcore: firmware booted (Rev 7.3.10.0.142)\n[ 484.633758] wlcore: Association completed.\n[ 484.690490] wlcore: ERROR command execute failure 14\n[ 484.690490] ------------[ cut here ]------------\n[ 484.700195] WARNING: drivers/net/wireless/ti/wlcore/main.c:872 at wl12xx_queue_recovery_work+0x64/0x74 [wlcore], CPU#0: kworker/0:0/892\nThis repeats endlessly.\nAlways disable IGTK on wl12xx and fix the decrementing mess.", "A flaw was found in the Linux kernel's `wlcore` Wi-Fi driver. An incorrect firmware version check for Integrity Group Temporal Key (IGTK) causes the number of available ciphers to continuously decrease on systems using older firmware, particularly affecting wl12xx chips. This issue leads to repeated hardware recovery and restarts, resulting in a Denial of Service (DoS) for the Wi-Fi functionality."], "name": "CVE-2026-80641", "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": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80641\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80641\nhttps://lore.kernel.org/linux-cve-announce/2026082841-CVE-2026-80641-6ff8@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c34dbc5900b0158edaab51c481510d66679d8f72,ff9748200698e9641f41ba922ffef728167807c2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c34dbc5900b0158edaab51c481510d66679d8f72,7495adaa0e45e180f4b6b7436675c6266edff1ff)"}}], "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": "generic", "value": "7.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-28T10:15:03.783027+00:00", "updated": "2026-09-02T05:30:08.151580+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}