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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49471rtw89: cfo: check mac_id to avoid out-of-bounds

High 8.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 74.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: rtw89: cfo: check mac_id to avoid out-of-bounds Somehow, hardware reports incorrect mac_id and pollute memory. Check index before we access the array. UBSAN: array-index-out-of-bounds in rtw89/phy.c:2517:23 index 188 is out of range for type 's32 [64]' CPU: 1 PID: 51550 Comm: irq/35-rtw89_pc Tainted: G OE Call Trace: <IRQ> show_stack+0x52/0x58 dump_stack_lvl+0x4c/0x63 dump_stack+0x10/0x12 ubsan_epilogue+0x9/0x45 __ubsan_handle_out_of_bounds.cold+0x44/0x49 ? __alloc_skb+0x92/0x1d0 rtw89_phy_cfo_parse+0x44/0x7f [rtw89_core] rtw89_core_rx+0x261/0x871 [rtw89_core] ? __alloc_skb+0xee/0x1d0 rtw89_pci_napi_poll+0x3fa/0x4ea [rtw89_pci] __napi_poll+0x33/0x1a0 net_rx_action+0x126/0x260 ? __queue_work+0x217/0x4c0 __do_softirq+0xd9/0x315 ? disable_irq_nosync+0x10/0x10 do_softirq.part.0+0x6d/0x90 </IRQ> <TASK> __local_bh_enable_ip+0x62/0x70 rtw89_pci_interrupt_threadfn+0x182/0x1a6 [rtw89_pci] irq_thread_fn+0x28/0x60 irq_thread+0xc8/0x190 ? irq_thread_fn+0x60/0x60 kthread+0x16b/0x190 ? irq_thread_check_affinity+0xe0/0xe0 ? set_kthread_struct+0x50/0x50 ret_from_fork+0x22/0x30 </TASK>

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.18.5-1DEBIAN-CVE-2022-49471
Debian:13linux5.18.5-1DEBIAN-CVE-2022-49471
Debian:14linux5.18.5-1DEBIAN-CVE-2022-49471
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2022-49471
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49471
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2022-49471

Affected products (as reported)

VendorProductVersions
Linux Linux e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd – before 03ed236480aeec8c2fd327a1ea6d711364c495e3e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd – before c32fafe68298bb599e825c298e1d0ba30186f0a5e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd – before 97df85871a5b187609d30fca6d85b912d9e02f29
Linux Linux 5.16

Weakness: CWE-129 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References