CVE-2022-49471

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Source
https://cve.org/CVERecord?id=CVE-2022-49471
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49471.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-49471
Downstream
Published
2025-02-26T02:13:14.657Z
Modified
2026-03-11T05:15:56.752486Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
rtw89: cfo: check mac_id to avoid out-of-bounds
Details

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-rtw89pc Tainted: G OE Call Trace: <IRQ> showstack+0x52/0x58 dumpstacklvl+0x4c/0x63 dumpstack+0x10/0x12 ubsanepilogue+0x9/0x45 __ubsanhandleoutofbounds.cold+0x44/0x49 ? __allocskb+0x92/0x1d0 rtw89phycfoparse+0x44/0x7f [rtw89core] rtw89corerx+0x261/0x871 [rtw89core] ? __allocskb+0xee/0x1d0 rtw89pci_napipoll+0x3fa/0x4ea [rtw89pci] __napipoll+0x33/0x1a0 netrx_action+0x126/0x260 ? __queue_work+0x217/0x4c0 __dosoftirq+0xd9/0x315 ? disableirqnosync+0x10/0x10 dosoftirq.part.0+0x6d/0x90 </IRQ> <TASK> _localbhenableip+0x62/0x70 rtw89pciinterruptthreadfn+0x182/0x1a6 [rtw89pci] irqthreadfn+0x28/0x60 irqthread+0xc8/0x190 ? irqthreadfn+0x60/0x60 kthread+0x16b/0x190 ? irqthreadcheckaffinity+0xe0/0xe0 ? setkthreadstruct+0x50/0x50 retfromfork+0x22/0x30 </TASK>

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49471.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd
Fixed
03ed236480aeec8c2fd327a1ea6d711364c495e3
Fixed
c32fafe68298bb599e825c298e1d0ba30186f0a5
Fixed
97df85871a5b187609d30fca6d85b912d9e02f29

Affected versions

v5.*
v5.15
v5.15-rc5
v5.15-rc6
v5.15-rc7
v5.16
v5.16-rc1
v5.16-rc2
v5.16-rc3
v5.16-rc4
v5.16-rc5
v5.16-rc6
v5.16-rc7
v5.16-rc8
v5.17
v5.17-rc1
v5.17-rc2
v5.17-rc3
v5.17-rc4
v5.17-rc5
v5.17-rc6
v5.17-rc7
v5.17-rc8
v5.17.1
v5.17.10
v5.17.11
v5.17.12
v5.17.13
v5.17.2
v5.17.3
v5.17.4
v5.17.5
v5.17.6
v5.17.7
v5.17.8
v5.17.9
v5.18
v5.18-rc1
v5.18-rc2
v5.18-rc3
v5.18-rc4
v5.18-rc5
v5.18-rc6
v5.18-rc7
v5.18.1
v5.18.2

Database specific

vanir_signatures 
[
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "target": {
            "file": "drivers/net/wireless/realtek/rtw89/phy.c",
            "function": "rtw89_phy_cfo_parse"
        },
        "id": "CVE-2022-49471-793e9ae6",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@03ed236480aeec8c2fd327a1ea6d711364c495e3",
        "digest": {
            "function_hash": "280384014348601254185659354661311001743",
            "length": 224.0
        }
    },
    {
        "signature_type": "Line",
        "signature_version": "v1",
        "target": {
            "file": "drivers/net/wireless/realtek/rtw89/phy.c"
        },
        "id": "CVE-2022-49471-af2c32a0",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@03ed236480aeec8c2fd327a1ea6d711364c495e3",
        "digest": {
            "line_hashes": [
                "89657615204429283944573848667717228009",
                "50823098637687537667289125303017484433",
                "73457342483994532658535898204902059844"
            ],
            "threshold": 0.9
        }
    },
    {
        "signature_type": "Line",
        "signature_version": "v1",
        "target": {
            "file": "drivers/net/wireless/realtek/rtw89/phy.c"
        },
        "id": "CVE-2022-49471-f4a81d17",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@97df85871a5b187609d30fca6d85b912d9e02f29",
        "digest": {
            "line_hashes": [
                "89657615204429283944573848667717228009",
                "50823098637687537667289125303017484433",
                "73457342483994532658535898204902059844"
            ],
            "threshold": 0.9
        }
    },
    {
        "signature_type": "Function",
        "signature_version": "v1",
        "target": {
            "file": "drivers/net/wireless/realtek/rtw89/phy.c",
            "function": "rtw89_phy_cfo_parse"
        },
        "id": "CVE-2022-49471-f8dccd46",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@97df85871a5b187609d30fca6d85b912d9e02f29",
        "digest": {
            "function_hash": "280384014348601254185659354661311001743",
            "length": 224.0
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49471.json"