CVE-2022-50408
published 2025-09-18CVE-2022-50408: In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit() > ret =…
PriorityP338high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.15%
4.7th percentile
In the Linux kernel, the following vulnerability has been resolved:
wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
> ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb);
may be schedule, and then complete before the line
> ndev->stats.tx_bytes += skb->len;
[ 46.912801] ==================================================================
[ 46.920552] BUG: KASAN: use-after-free in brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac]
[ 46.928673] Read of size 4 at addr ffffff803f5882e8 by task systemd-resolve/328
[ 46.935991]
[ 46.937514] CPU: 1 PID: 328 Comm: systemd-resolve Tainted: G O 5.4.199-[REDACTED] #1
[ 46.947255] Hardware name: [REDACTED]
[ 46.954568] Call trace:
[ 46.957037] dump_backtrace+0x0/0x2b8
[ 46.960719] show_stack+0x24/0x30
[ 46.964052] dump_stack+0x128/0x194
[ 46.967557] print_address_description.isra.0+0x64/0x380
[ 46.972877] __kasan_report+0x1d4/0x240
[ 46.976723] kasan_report+0xc/0x18
[ 46.980138] __asan_report_load4_noabort+0x18/0x20
[ 46.985027] brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac]
[ 46.990613] dev_hard_start_xmit+0x1bc/0xda0
[ 46.994894] sch_direct_xmit+0x198/0xd08
[ 46.998827] __qdisc_run+0x37c/0x1dc0
[ 47.002500] __dev_queue_xmit+0x1528/0x21f8
[ 47.006692] dev_queue_xmit+0x24/0x30
[ 47.010366] neigh_resolve_output+0x37c/0x678
[ 47.014734] ip_finish_output2+0x598/0x2458
[ 47.018927] __ip_finish_output+0x300/0x730
[ 47.023118] ip_output+0x2e0/0x430
[ 47.026530] ip_local_out+0x90/0x140
[ 47.030117] igmpv3_sendpack+0x14c/0x228
[ 47.034049] igmpv3_send_cr+0x384/0x6b8
[ 47.037895] igmp_ifc_timer_expire+0x4c/0x118
[ 47.042262] call_timer_fn+0x1cc/0xbe8
[ 47.046021] __run_timers+0x4d8/0xb28
[ 47.049693] run_timer_softirq+0x24/0x40
[ 47.053626] __do_softirq+0x2c0/0x117c
[ 47.057387] irq_exit+0x2dc/0x388
[ 47.060715] __handle_domain_irq+0xb4/0x158
[ 47.064908] gic_handle_irq+0x58/0xb0
[ 47.068581] el0_irq_naked+0x50/0x5c
[ 47.072162]
[ 47.073665] Allocated by task 328:
[ 47.077083] save_stack+0x24/0xb0
[ 47.080410] __ka
Affected
21 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.0.3-1 (bookworm) | linux 6.0.3-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= b1a2a41126fc582a3d5613aa2d3e632b2eb1a2c4 < 1613a7b24f1a7467cb727ba3ec77c9a808383560 | 1613a7b24f1a7467cb727ba3ec77c9a808383560 |
| linux | linux | >= b1a2a41126fc582a3d5613aa2d3e632b2eb1a2c4 < d79f4d903e14dde822c60b5fd3bedc5a289d25df | d79f4d903e14dde822c60b5fd3bedc5a289d25df |
| linux | linux | >= b1a2a41126fc582a3d5613aa2d3e632b2eb1a2c4 < 49c742afd60f552fce7799287080db02bffe1db2 | 49c742afd60f552fce7799287080db02bffe1db2 |
| linux | linux | >= b1a2a41126fc582a3d5613aa2d3e632b2eb1a2c4 < e01d96494a9de0f48b1167f0494f6d929fa773ed | e01d96494a9de0f48b1167f0494f6d929fa773ed |
| linux | linux | >= b1a2a41126fc582a3d5613aa2d3e632b2eb1a2c4 < 232d59eca07f6ea27307022a33d226aff373bd02 | 232d59eca07f6ea27307022a33d226aff373bd02 |
| linux | linux | >= b1a2a41126fc582a3d5613aa2d3e632b2eb1a2c4 < 27574a3f421c3a1694d0207f37c6bbf23d66978e | 27574a3f421c3a1694d0207f37c6bbf23d66978e |
| linux | linux | >= b1a2a41126fc582a3d5613aa2d3e632b2eb1a2c4 < c369836cff98d3877f98c98e15c0151462812d96 | c369836cff98d3877f98c98e15c0151462812d96 |
| linux | linux | >= b1a2a41126fc582a3d5613aa2d3e632b2eb1a2c4 < 3f42faf6db431e04bf942d2ebe3ae88975723478 | 3f42faf6db431e04bf942d2ebe3ae88975723478 |
| linux | linux_kernel | < 4.14.296 | 4.14.296 |
| linux | linux_kernel | >= 0 < 5.10.158-1 | 5.10.158-1 |
| linux | linux_kernel | >= 0 < 6.0.3-1 | 6.0.3-1 |
| linux | linux_kernel | >= 0 < 6.0.3-1 | 6.0.3-1 |
| linux | linux_kernel | >= 0 < 6.0.3-1 | 6.0.3-1 |
| linux | linux_kernel | >= 4.15 < 4.19.262 | 4.19.262 |
| linux | linux_kernel | >= 4.20 < 5.4.220 | 5.4.220 |
| linux | linux_kernel | >= 5.11 < 5.15.75 | 5.15.75 |
| linux | linux_kernel | >= 5.16 < 5.19.17 | 5.19.17 |
| linux | linux_kernel | >= 5.5 < 5.10.150 | 5.10.150 |
| linux | linux_kernel | >= 6.0 < 6.0.3 | 6.0.3 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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Red Hat
kernel: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
vendor_redhat·2025-09-18·CVSS 7.8
CVE-2022-50408 [HIGH] CWE-416 kernel: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
kernel: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
In the Linux kernel, the following vulnerability has been resolved:
wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
> ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb);
may be schedule, and then complete before the line
> ndev->stats.tx_bytes += skb->len;
[ 46.912801] ==================================================================
[ 46.920552] BUG: KASAN: use-after-free in brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac]
[ 46.928673] Read of size 4 at addr ffffff803f5882e8 by task systemd-resolve/328
[ 46.935991]
[ 46.937514] CPU: 1 PID: 328 Comm: systemd-resolve Tainted: G O 5.4.199-[REDACTED] #1
[ 46.947255] Hardware name: [REDACTED]
[ 46.954568] Call trace:
[ 46.957037] dump_backtrace+
Debian
CVE-2022-50408: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: brcmf...
vendor_debian·2022·CVSS 7.8
CVE-2022-50408 [HIGH] CVE-2022-50408: linux - In the Linux kernel, the following vulnerability has been resolved: wifi: brcmf...
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit() > ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb); may be schedule, and then complete before the line > ndev->stats.tx_bytes += skb->len; [ 46.912801] ================================================================== [ 46.920552] BUG: KASAN: use-after-free in brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac] [ 46.928673] Read of size 4 at addr ffffff803f5882e8 by task systemd-resolve/328 [ 46.935991] [ 46.937514] CPU: 1 PID: 328 Comm: systemd-resolve Tainted: G O 5.4.199-[REDACTED] #1 [ 46.947255] Hardware name: [REDACTED] [ 46.954568] Call trace: [ 46.957037] dump_backtrace+0x0/0x2b8 [ 46.960719] show_stack+0x24/0x30 [ 46.964052] dump_stack+0x128/0x1
GHSA
GHSA-25x9-7wcv-mf35: In the Linux kernel, the following vulnerability has been resolved:
wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
> ret = brcm
ghsa_unreviewed·2025-09-18
CVE-2022-50408 [HIGH] CWE-416 GHSA-25x9-7wcv-mf35: In the Linux kernel, the following vulnerability has been resolved:
wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
> ret = brcm
In the Linux kernel, the following vulnerability has been resolved:
wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
> ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb);
may be schedule, and then complete before the line
> ndev->stats.tx_bytes += skb->len;
[ 46.912801] ==================================================================
[ 46.920552] BUG: KASAN: use-after-free in brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac]
[ 46.928673] Read of size 4 at addr ffffff803f5882e8 by task systemd-resolve/328
[ 46.935991]
[ 46.937514] CPU: 1 PID: 328 Comm: systemd-resolve Tainted: G O 5.4.199-[REDACTED] #1
[ 46.947255] Hardware name: [REDACTED]
[ 46.954568] Call trace:
[ 46.957037] dump_backtrace+0x0/0x2b8
[ 46.960719] show_stack+0x24/0x30
[ 46.964052] dump_stack+0x12
OSV
CVE-2022-50408: In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit() > ret = brcmf_
osv·2025-09-18·CVSS 7.8
CVE-2022-50408 [HIGH] CVE-2022-50408: In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit() > ret = brcmf_
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit() > ret = brcmf_proto_tx_queue_data(drvr, ifp->ifidx, skb); may be schedule, and then complete before the line > ndev->stats.tx_bytes += skb->len; [ 46.912801] ================================================================== [ 46.920552] BUG: KASAN: use-after-free in brcmf_netdev_start_xmit+0x718/0x8c8 [brcmfmac] [ 46.928673] Read of size 4 at addr ffffff803f5882e8 by task systemd-resolve/328 [ 46.935991] [ 46.937514] CPU: 1 PID: 328 Comm: systemd-resolve Tainted: G O 5.4.199-[REDACTED] #1 [ 46.947255] Hardware name: [REDACTED] [ 46.954568] Call trace: [ 46.957037] dump_backtrace+0x0/0x2b8 [ 46.960719] show_stack+0x24/0x30 [ 46.964052] dump_stack+0x128/0x1
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/1613a7b24f1a7467cb727ba3ec77c9a808383560https://git.kernel.org/stable/c/232d59eca07f6ea27307022a33d226aff373bd02https://git.kernel.org/stable/c/27574a3f421c3a1694d0207f37c6bbf23d66978ehttps://git.kernel.org/stable/c/3f42faf6db431e04bf942d2ebe3ae88975723478https://git.kernel.org/stable/c/49c742afd60f552fce7799287080db02bffe1db2https://git.kernel.org/stable/c/c369836cff98d3877f98c98e15c0151462812d96https://git.kernel.org/stable/c/d79f4d903e14dde822c60b5fd3bedc5a289d25dfhttps://git.kernel.org/stable/c/e01d96494a9de0f48b1167f0494f6d929fa773ed
2025-09-18
Published