SARA / Free Tools / CVE / CVE-2022-41849

CVE-2022-41849 — drivers/video/fbdev/smscufx

drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.

CVSS
4.2 MEDIUM
EPSS
0.35% (top 73.40%)
CWE
—
Published
2022-09-30T06:15:12.110
Last modified
2026-10-14T18:17:06.550
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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