{ "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-2021-47395", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47395", "idYear": 2021, "status": "PUBLISHED", "publishedAt": "2024-05-21T15:03:52.151Z", "updatedAt": "2026-05-11T13:53:51.680Z", "importedAt": "2026-10-24T01:56:36.661Z", "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": "mac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap\n\nLimit max values for vht mcs and nss in ieee80211_parse_tx_radiotap\nroutine in order to fix the following warning reported by syzbot:\n\nWARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]\nWARNING: CPU: 0 PID: 10717 at include/net/mac80211.h:989 ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\nModules linked in:\nCPU: 0 PID: 10717 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nRIP: 0010:ieee80211_rate_set_vht include/net/mac80211.h:989 [inline]\nRIP: 0010:ieee80211_parse_tx_radiotap+0x101e/0x12d0 net/mac80211/tx.c:2244\nRSP: 0018:ffffc9000186f3e8 EFLAGS: 00010216\nRAX: 0000000000000618 RBX: ffff88804ef76500 RCX: ffffc900143a5000\nRDX: 0000000000040000 RSI: ffffffff888f478e RDI: 0000000000000003\nRBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000100\nR10: ffffffff888f46f9 R11: 0000000000000000 R12: 00000000fffffff8\nR13: ffff88804ef7653c R14: 0000000000000001 R15: 0000000000000004\nFS: 00007fbf5718f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b2de23000 CR3: 000000006a671000 CR4: 00000000001506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600\nCall Trace:\n ieee80211_monitor_select_queue+0xa6/0x250 net/mac80211/iface.c:740\n netdev_core_pick_tx+0x169/0x2e0 net/core/dev.c:4089\n __dev_queue_xmit+0x6f9/0x3710 net/core/dev.c:4165\n __bpf_tx_skb net/core/filter.c:2114 [inline]\n __bpf_redirect_no_mac net/core/filter.c:2139 [inline]\n __bpf_redirect+0x5ba/0xd20 net/core/filter.c:2162\n ____bpf_clone_redirect net/core/filter.c:2429 [inline]\n bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2401\n bpf_prog_eeb6f53a69e5c6a2+0x59/0x234\n bpf_dispatcher_nop_func include/linux/bpf.h:717 [inline]\n __bpf_prog_run include/linux/filter.h:624 [inline]\n bpf_prog_run include/linux/filter.h:631 [inline]\n bpf_test_run+0x381/0xa30 net/bpf/test_run.c:119\n bpf_prog_test_run_skb+0xb84/0x1ee0 net/bpf/test_run.c:663\n bpf_prog_test_run kernel/bpf/syscall.c:3307 [inline]\n __sys_bpf+0x2137/0x5df0 kernel/bpf/syscall.c:4605\n __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]\n __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4689\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\nRIP: 0033:0x4665f9", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "status": "affected", "versionType": "git", "lessThan": "e5bb852aa2ad963074f0ad73030dbc20a30853e3" }, { "version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "status": "affected", "versionType": "git", "lessThan": "ce5f372f5f084ff51c285fc27b232f15a3d00f0b" }, { "version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "status": "affected", "versionType": "git", "lessThan": "76538c7b4df314bb937e44c5cb1782f37d47443c" }, { "version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "status": "affected", "versionType": "git", "lessThan": "ab85997465b972d39d9747fc16311fa5773374b2" }, { "version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "status": "affected", "versionType": "git", "lessThan": "1282bb00835ff79d2d9c023055d514df5b4de260" }, { "version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "status": "affected", "versionType": "git", "lessThan": "997ee230e4f5285cd98445c102d9033c7ec4814b" }, { "version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "status": "affected", "versionType": "git", "lessThan": "13cb6d826e0ac0d144b0d48191ff1a111d32f0c6" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "4.7", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "4.7" }, { "version": "4.9.285", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.9.*" }, { "version": "4.14.249", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.209", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.151", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.71", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.14.10", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.14.*" }, { "version": "5.15", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }