Medium 5.5Published May 6, 2026

CVE-2026-43105drm/vc4: Fix memory leak of BO array in hang state

Updated under an hour ago (Oct 28, 2026, 12:30 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Fix memory leak of BO array in hang state The hang state's BO array is allocated separately with kzalloc() in vc4_save_hang_state() but never freed in vc4_free_hang_state(). Add the missing kfree() for the BO array before freeing the hang state struct.

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: Modified
Record last updated: Jun 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	214613656b5179f0daab6e0a080814b5100d45f0 builds before 7235fc096ece53211bd2c0e958c65f9b802aeb98; 214613656b5179f0daab6e0a080814b5100d45f0 builds before 686bb2fce082f043db50db02b5de5c64ca4dc4c4; 214613656b5179f0daab6e0a080814b5100d45f0 builds before 9c092941fc1d00933bcb46ecac1cb930db3abf5d; from 214613656b5179f0daab6e0a080814b5100d45f0 before a812008fe3a0aebb778d277b35717f64e23d0302; 214613656b5179f0daab6e0a080814b5100d45f0 builds before 0d3c014a84396a147705f523a8fd6fc873e76502; 214613656b5179f0daab6e0a080814b5100d45f0 builds before 421cea4f71f7cf65abaae878562ee4aa2b684628; from 214613656b5179f0daab6e0a080814b5100d45f0 before b8138567c4a80fd76a647849ebd4284996cf4b17; from 214613656b5179f0daab6e0a080814b5100d45f0 before f4dfd6847b3e5d24e336bca6057485116d17aea4	CNA record
linux linux_kernel linux:linux_kernel	from 4.5 before 6.6.136; from 6.7 before 6.12.83; from 6.13 before 6.18.24; from 6.19 before 6.19.14; 7.0; 7.0; 7.0; 7.0; and 3 more ranges	NVD

References

References

https://git.kernel.org/stable/c/7235fc096ece53211bd2c0e958c65f9b802aeb98
https://git.kernel.org/stable/c/686bb2fce082f043db50db02b5de5c64ca4dc4c4
https://git.kernel.org/stable/c/9c092941fc1d00933bcb46ecac1cb930db3abf5d
https://git.kernel.org/stable/c/a812008fe3a0aebb778d277b35717f64e23d0302	patch
https://git.kernel.org/stable/c/0d3c014a84396a147705f523a8fd6fc873e76502	patch
https://git.kernel.org/stable/c/421cea4f71f7cf65abaae878562ee4aa2b684628	patch
https://git.kernel.org/stable/c/b8138567c4a80fd76a647849ebd4284996cf4b17	patch
https://git.kernel.org/stable/c/f4dfd6847b3e5d24e336bca6057485116d17aea4	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.