Medium 5.5Published Jun 26, 2026

CVE-2026-53279drm/gma500/oaktrail_lvds: fix hang on init failure

Updated under an hour ago (Oct 27, 2026, 10:00 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: drm/gma500/oaktrail_lvds: fix hang on init failure The LVDS init code looks up an I2C adapter using i2c_get_adapter() and tries to read the EDID before falling back to allocating and registering its own adapter. The error handling does not separate these cases so on a late init failure it will try to deregister and free also an adapter that had previously been registered. Since i2c_get_adapter() takes another reference to the adapter, deregistration hangs indefinitely while waiting for the reference to be released. Fix this by only destroying adapters allocated during LVDS init on errors.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jun 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from a57ebfc0b4da16a3f36bfebb158198aab3e340f8 before 5fe9f505d8578852c30668567bc3ce52e776e8c7; from a57ebfc0b4da16a3f36bfebb158198aab3e340f8 before 4e04b564c005c9900643c56656d751ad677889be; from a57ebfc0b4da16a3f36bfebb158198aab3e340f8 before 7877f7e231a8bd5c817af1491276550a5e195cd7; from a57ebfc0b4da16a3f36bfebb158198aab3e340f8 before ab9256936b58eb178caddcf5b5b1638f079909d2; from a57ebfc0b4da16a3f36bfebb158198aab3e340f8 before f6fc44af3bbd5ab0fb6bdec6f47decca11b38425; from a57ebfc0b4da16a3f36bfebb158198aab3e340f8 before 657a091ab6d01d0091b77660c75cfed573c9a53e	CNA record
linux linux_kernel linux:linux_kernel	from 6.0 before 6.1.175; from 6.2 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33; from 6.19 before 7.0.10; 7.1; 7.1; 7.1	NVD

References

References

https://git.kernel.org/stable/c/5fe9f505d8578852c30668567bc3ce52e776e8c7	patch
https://git.kernel.org/stable/c/4e04b564c005c9900643c56656d751ad677889be	patch
https://git.kernel.org/stable/c/7877f7e231a8bd5c817af1491276550a5e195cd7	patch
https://git.kernel.org/stable/c/ab9256936b58eb178caddcf5b5b1638f079909d2	patch
https://git.kernel.org/stable/c/f6fc44af3bbd5ab0fb6bdec6f47decca11b38425	patch
https://git.kernel.org/stable/c/657a091ab6d01d0091b77660c75cfed573c9a53e	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.