{"id":"CVE-2024-26861","revision":null,"records":[{"revision":"da2959bc5d6e4c43b897bd3f0258f4cc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-26861","aliases":[],"title":"wireguard: receive: annotate data-race around receiving_counter.counter","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwireguard: receive: annotate data-race around receiving_counter.counter\n\nSyzkaller with KCSAN identified a data-race issue when accessing\nkeypair->receiving_counter.counter. Use READ_ONCE() and WRITE_ONCE()\nannotations to mark the data race as intentional.\n\n BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll\n\n write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0:\n counter_validate drivers/net/wireguard/receive.c:321 [inline]\n wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461\n __napi_poll+0x60/0x3b0 net/core/dev.c:6536\n napi_poll net/core/dev.c:6605 [inline]\n net_rx_action+0x32b/0x750 net/core/dev.c:6738\n __do_softirq+0xc4/0x279 kernel/softirq.c:553\n do_softirq+0x5e/0x90 kernel/softirq.c:454\n __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381\n __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]\n _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210\n spin_unlock_bh include/linux/spinlock.h:396 [inline]\n ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]\n wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499\n process_one_work kernel/workqueue.c:2633 [inline]\n ...\n\n read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1:\n decrypt_packet drivers/net/wireguard/receive.c:252 [inline]\n wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501\n process_one_work kernel/workqueue.c:2633 [inline]\n process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706\n worker_thread+0x525/0x730 kernel/workqueue.c:2787\n ...","state":0,"publishedAt":"2024-04-17T10:27:24.98+00:00","modifiedAt":"2026-10-15T00:38:52.595+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/wireguard/receive.c\"\n ],\n \"versions\": [\n {\n \"version\": \"a9e90d9931f3a474f04bab782ccd9d77904941e9\",\n \"lessThan\": \"f87884e0dffd61b47e58bc6e1e2f6843c212b0cc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a9e90d9931f3a474f04bab782ccd9d77904941e9\",\n \"lessThan\": \"d691be84ab898cf136a35176eaf2f8fc116563f0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a9e90d9931f3a474f04bab782ccd9d77904941e9\",\n \"lessThan\": \"45a83b220c83e3c326513269afbf69ae6fc65cce\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a9e90d9931f3a474f04bab782ccd9d77904941e9\",\n \"lessThan\": \"78739d72f16b2d7d549f713f1dfebd678d32484b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a9e90d9931f3a474f04bab782ccd9d77904941e9\",\n \"lessThan\": \"3f94da807fe1668b9830f0eefbbf7e887b0a7bc6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a9e90d9931f3a474f04bab782ccd9d77904941e9\",\n \"lessThan\": \"fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a9e90d9931f3a474f04bab782ccd9d77904941e9\",\n \"lessThan\": \"bba045dc4d996d03dce6fe45726e78a1a1f6d4c3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4a7939808afdc57ecaeb72d049e2985321a1e44e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5.6.16\",\n \"lessThan\": \"5.7\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/wireguard/receive.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.7\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.7\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.214\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.153\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.83\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.23\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.7.11\",\n \"lessThanOrEqual\": \"6.7.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.8.2\",\n \"lessThanOrEqual\": \"6.8.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.9\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/f87884e0dffd61b47e58bc6e1e2f6843c212b0cc","https://git.kernel.org/stable/c/d691be84ab898cf136a35176eaf2f8fc116563f0","https://git.kernel.org/stable/c/45a83b220c83e3c326513269afbf69ae6fc65cce","https://git.kernel.org/stable/c/78739d72f16b2d7d549f713f1dfebd678d32484b","https://git.kernel.org/stable/c/3f94da807fe1668b9830f0eefbbf7e887b0a7bc6","https://git.kernel.org/stable/c/fdf16de078a97bf14bb8ee2b8d47cc3d3ead09ed","https://git.kernel.org/stable/c/bba045dc4d996d03dce6fe45726e78a1a1f6d4c3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-26861","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-26861","identifiers":["CVE-2024-26861"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-09T21:04:24.7578035+00:00","complete":true,"records":1773,"lastAttemptAt":"2026-11-09T21:04:24.7578035+00:00","lastSuccessAt":"2026-11-09T21:04:24.9268553+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:24.9268558+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-24e6fde7b744113daefb8f6135035fb8a5c69c9617c9c0d40574a0376532ffd3-496c6c80845a4235d695039f4a651d70f3b55bc53fc01f5ca259c734136db852","complete":true,"records":421688,"lastAttemptAt":"2026-11-09T22:02:15.6116354+00:00","lastSuccessAt":"2026-11-09T22:02:15.4777453+00:00","error":null,"lastVerifiedAt":"2026-11-09T22:02:15.6116354+00:00","snapshotPublishedAt":"2026-11-09T21:30:28+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-c0d08c6d568c485b97f7477173a8f37a","complete":false,"records":13661,"lastAttemptAt":"2026-11-09T21:17:08.552025+00:00","lastSuccessAt":"2026-11-09T21:17:08.543+00:00","error":"19 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-11-09T21:17:08.543+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13205,"expectedIdentifiers":13714,"failedIdentifiers":19},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-09T21:04:24.7578035+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T21:04:24.7578035+00:00","lastSuccessAt":"2026-11-09T21:04:28.0976125+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:28.0976126+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-0bbee8bbb4ab420e9cc5a178c14c3d7c","complete":false,"records":13673,"lastAttemptAt":"2026-11-09T21:04:53.6647083+00:00","lastSuccessAt":"2026-11-09T21:04:53.656+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:53.656+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13704,"expectedIdentifiers":13714,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-f3867a42f9521b26d30bf45a82113d9245ec430c8ce8e24ac384524aacc94234","complete":true,"records":9916,"lastAttemptAt":"2026-11-09T21:04:24.6555906+00:00","lastSuccessAt":"2026-11-09T21:04:24.2243141+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:24.6555906+00:00","snapshotPublishedAt":"2026-11-09T21:03:14+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-26503967ae4379db8f374089589d6e03fb15bd31f820c9e992aaf93840c2236c","complete":true,"records":1971,"lastAttemptAt":"2026-11-09T22:02:15.7662034+00:00","lastSuccessAt":"2026-11-09T21:02:20.472473+00:00","error":null,"lastVerifiedAt":"2026-11-09T22:02:15.7662034+00:00","snapshotPublishedAt":"2026-11-09T20:18:18+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-761ecc9061239b0da572dc9254c6f384c1d19339eb08408c436647a2f26129e9","complete":true,"records":3064,"lastAttemptAt":"2026-11-09T21:04:24.720759+00:00","lastSuccessAt":"2026-11-09T17:05:03.4044794+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:24.720759+00:00","snapshotPublishedAt":"2026-11-09T16:33:20+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-2e8b7295933e7bde85a0f6f5814c210f0d64871f05755388951863da683dd321","complete":true,"records":231324,"lastAttemptAt":"2026-11-09T22:02:23.3040148+00:00","lastSuccessAt":"2026-11-09T21:04:13.103121+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:14.5816688+00:00","snapshotPublishedAt":"2026-11-09T20:48:07+00:00","importing":true,"stagedRecords":206500,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}