{ "containers": { "cna": { "providerMetadata": { "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" }, "descriptions": [ { "lang": "en", "value": "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": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/mac80211/tx.c" ], "versions": [ { "version": "646e76bb5daf", "lessThan": "e5bb852aa2ad", "status": "affected", "versionType": "git" }, { "version": "646e76bb5daf", "lessThan": "ce5f372f5f08", "status": "affected", "versionType": "git" }, { "version": "646e76bb5daf", "lessThan": "76538c7b4df3", "status": "affected", "versionType": "git" }, { "version": "646e76bb5daf", "lessThan": "ab85997465b9", "status": "affected", "versionType": "git" }, { "version": "646e76bb5daf", "lessThan": "1282bb00835f", "status": "affected", "versionType": "git" }, { "version": "646e76bb5daf", "lessThan": "997ee230e4f5", "status": "affected", "versionType": "git" }, { "version": "646e76bb5daf", "lessThan": "13cb6d826e0a", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/mac80211/tx.c" ], "versions": [ { "version": "4.7", "status": "affected" }, { "version": "0", "lessThan": "4.7", "status": "unaffected", "versionType": "custom" }, { "version": "4.9.285", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.14.249", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.209", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.151", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.71", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.14.10", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/e5bb852aa2ad963074f0ad73030dbc20a30853e3" }, { "url": "https://git.kernel.org/stable/c/ce5f372f5f084ff51c285fc27b232f15a3d00f0b" }, { "url": "https://git.kernel.org/stable/c/76538c7b4df314bb937e44c5cb1782f37d47443c" }, { "url": "https://git.kernel.org/stable/c/ab85997465b972d39d9747fc16311fa5773374b2" }, { "url": "https://git.kernel.org/stable/c/1282bb00835ff79d2d9c023055d514df5b4de260" }, { "url": "https://git.kernel.org/stable/c/997ee230e4f5285cd98445c102d9033c7ec4814b" }, { "url": "https://git.kernel.org/stable/c/13cb6d826e0ac0d144b0d48191ff1a111d32f0c6" } ], "title": "mac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap", "x_generator": { "engine": "bippy-a5840b7849dd" } } }, "cveMetadata": { "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", "cveID": "CVE-2021-47395", "requesterUserId": "gregkh@kernel.org", "serial": "1", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.0" }