{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-40942", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-40942", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-07-12T12:25:17.149Z", "updatedAt": "2026-10-15T00:45:36.438Z", "importedAt": "2026-10-24T01:57:16.009Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: mesh: Fix leak of mesh_preq_queue objects\n\nThe hwmp code use objects of type mesh_preq_queue, added to a list in\nieee80211_if_mesh, to keep track of mpath we need to resolve. If the mpath\ngets deleted, ex mesh interface is removed, the entries in that list will\nnever get cleaned. Fix this by flushing all corresponding items of the\npreq_queue in mesh_path_flush_pending().\n\nThis should take care of KASAN reports like this:\n\nunreferenced object 0xffff00000668d800 (size 128):\n comm \"kworker/u8:4\", pid 67, jiffies 4295419552 (age 1836.444s)\n hex dump (first 32 bytes):\n 00 1f 05 09 00 00 ff ff 00 d5 68 06 00 00 ff ff ..........h.....\n 8e 97 ea eb 3e b8 01 00 00 00 00 00 00 00 00 00 ....>...........\n backtrace:\n [<000000007302a0b6>] __kmem_cache_alloc_node+0x1e0/0x35c\n [<00000000049bd418>] kmalloc_trace+0x34/0x80\n [<0000000000d792bb>] mesh_queue_preq+0x44/0x2a8\n [<00000000c99c3696>] mesh_nexthop_resolve+0x198/0x19c\n [<00000000926bf598>] ieee80211_xmit+0x1d0/0x1f4\n [<00000000fc8c2284>] __ieee80211_subif_start_xmit+0x30c/0x764\n [<000000005926ee38>] ieee80211_subif_start_xmit+0x9c/0x7a4\n [<000000004c86e916>] dev_hard_start_xmit+0x174/0x440\n [<0000000023495647>] __dev_queue_xmit+0xe24/0x111c\n [<00000000cfe9ca78>] batadv_send_skb_packet+0x180/0x1e4\n [<000000007bacc5d5>] batadv_v_elp_periodic_work+0x2f4/0x508\n [<00000000adc3cd94>] process_one_work+0x4b8/0xa1c\n [<00000000b36425d1>] worker_thread+0x9c/0x634\n [<0000000005852dd5>] kthread+0x1bc/0x1c4\n [<000000005fccd770>] ret_from_fork+0x10/0x20\nunreferenced object 0xffff000009051f00 (size 128):\n comm \"kworker/u8:4\", pid 67, jiffies 4295419553 (age 1836.440s)\n hex dump (first 32 bytes):\n 90 d6 92 0d 00 00 ff ff 00 d8 68 06 00 00 ff ff ..........h.....\n 36 27 92 e4 02 e0 01 00 00 58 79 06 00 00 ff ff 6'.......Xy.....\n backtrace:\n [<000000007302a0b6>] __kmem_cache_alloc_node+0x1e0/0x35c\n [<00000000049bd418>] kmalloc_trace+0x34/0x80\n [<0000000000d792bb>] mesh_queue_preq+0x44/0x2a8\n [<00000000c99c3696>] mesh_nexthop_resolve+0x198/0x19c\n [<00000000926bf598>] ieee80211_xmit+0x1d0/0x1f4\n [<00000000fc8c2284>] __ieee80211_subif_start_xmit+0x30c/0x764\n [<000000005926ee38>] ieee80211_subif_start_xmit+0x9c/0x7a4\n [<000000004c86e916>] dev_hard_start_xmit+0x174/0x440\n [<0000000023495647>] __dev_queue_xmit+0xe24/0x111c\n [<00000000cfe9ca78>] batadv_send_skb_packet+0x180/0x1e4\n [<000000007bacc5d5>] batadv_v_elp_periodic_work+0x2f4/0x508\n [<00000000adc3cd94>] process_one_work+0x4b8/0xa1c\n [<00000000b36425d1>] worker_thread+0x9c/0x634\n [<0000000005852dd5>] kthread+0x1bc/0x1c4\n [<000000005fccd770>] ret_from_fork+0x10/0x20", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e", "status": "affected", "versionType": "git", "lessThan": "377dbb220edc8421b7960691876c5b3bef62f89b" }, { "version": "050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e", "status": "affected", "versionType": "git", "lessThan": "ec79670eae430b3ffb7e0a6417ad7657728b8f95" }, { "version": "050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e", "status": "affected", "versionType": "git", "lessThan": "7518e20a189f8659b8b83969db4d33a4068fcfc3" }, { "version": "050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e", "status": "affected", "versionType": "git", "lessThan": "c4c865f971fd4a255208f57ef04d814c2ae9e0dc" }, { "version": "050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e", "status": "affected", "versionType": "git", "lessThan": "617dadbfb2d3e152c5753e28356d189c9d6f33c0" }, { "version": "050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e", "status": "affected", "versionType": "git", "lessThan": "63d5f89bb5664d60edbf8cf0df911aaae8ed96a4" }, { "version": "050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e", "status": "affected", "versionType": "git", "lessThan": "d81e244af521de63ad2883e17571b789c39b6549" }, { "version": "050ac52cbe1f3de2fb0d06f02c7919ae1f691c9e", "status": "affected", "versionType": "git", "lessThan": "b7d7f11a291830fdf69d3301075dd0fb347ced84" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.26", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.26" }, { "version": "4.19.317", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.279", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.221", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.162", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.95", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.35", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.9.6", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.9.*" }, { "version": "6.10", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }