CVE-2026-90380
- Source
- https://cve.org/CVERecord?id=CVE-2026-90380
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90380.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-90380
- Downstream
- Published
- 2026-09-17T16:09:17Z
- Modified
- 2026-09-19T03:47:26Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete
A use-after-free issue occurs in mt76_rx_poll_complete due to a race condition. The STA has already been removed, but the rx_status still had a pointer to the wcid in the STA.
Set the links' wcid pointers to be NULL for a MLD in mt7925_sta_pre_rcu_remove()
BUG: KASAN: invalid-access in mt76_rx_poll_complete+0x280/0x470 Call trace: dump_backtrace+0xec/0x128 show_stack+0x18/0x28 dump_stack_lvl+0x40/0xc8 print_report+0x1b8/0x710 kasan_report+0xe0/0x144 do_bad_area+0x120/0x260 do_tag_check_fault+0x20/0x34 do_mem_abort+0x54/0xa8 el1_abort+0x3c/0x5c el1h_64_sync_handler+0x40/0xcc el1h_64_sync+0x7c/0x80 mt76_rx_poll_complete+0x280/0x470 mt76_dma_rx_poll+0x114/0x51c mt792x_poll_rx+0x60/0xf8 napi_threaded_poll_loop+0xe0/0x450 napi_threaded_poll+0x80/0x9c kthread+0x11c/0x158 ret_from_fork+0x10/0x20
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90380.json" }- References
-
- https://git.kernel.org/stable/c/217f9e7bb02558759be9d9ecfe532e9708741c50
- https://git.kernel.org/stable/c/aaf414bf81ab4b680580871784b0b929818188eb
- https://git.kernel.org/stable/c/b250943f3f8351385a17972bda001664a5c51008
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90380.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-90380
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git