Medium 5.5Published May 6, 2026

CVE-2026-43269drm/atmel-hlcdc: fix memory leak from the atomic_destroy_state callback

Updated under an hour ago (Oct 27, 2026, 8:50 PM ET)

Does this affect you?

It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: drm/atmel-hlcdc: fix memory leak from the atomic_destroy_state callback After several commits, the slab memory increases. Some drm_crtc_commit objects are not freed. The atomic_destroy_state callback only put the framebuffer. Use the __drm_atomic_helper_plane_destroy_state() function to put all the objects that are no longer needed. It has been seen after hours of usage of a graphics application or using kmemleak: unreferenced object 0xc63a6580 (size 64): comm "egt_basic", pid 171, jiffies 4294940784 hex dump (first 32 bytes): 40 50 34 c5 01 00 00 00 ff ff ff ff 8c 65 3a c6 @P4..........e:. 8c 65 3a c6 ff ff ff ff 98 65 3a c6 98 65 3a c6 .e:......e:..e:. backtrace (crc c25aa925): kmemleak_alloc+0x34/0x3c __kmalloc_cache_noprof+0x150/0x1a4 drm_atomic_helper_setup_commit+0x1e8/0x7bc drm_atomic_helper_commit+0x3c/0x15c drm_atomic_commit+0xc0/0xf4 drm_atomic_helper_set_config+0x84/0xb8 drm_mode_setcrtc+0x32c/0x810 drm_ioctl+0x20c/0x488 sys_ioctl+0x14c/0xc20 ret_fast_syscall+0x0/0x54

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: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	2389fc1305fc1e2cf8b310a75463fefd3058bf48 builds before 6d4e91ab97fda64e8cf9c8881cc3b4da026bd849; from 2389fc1305fc1e2cf8b310a75463fefd3058bf48 before 5718d98976ad6b9700e5a6afec67fc47a8a92580; 2389fc1305fc1e2cf8b310a75463fefd3058bf48 builds before 57fa3487acfa3467405f8506b94682abd96e7393; from 2389fc1305fc1e2cf8b310a75463fefd3058bf48 before ec40702029b08ee8d5f5b03303d64a10e74a957b; 2389fc1305fc1e2cf8b310a75463fefd3058bf48 builds before 25e832a7830740e72103eb0b527680a4b64bbcb3; from 2389fc1305fc1e2cf8b310a75463fefd3058bf48 before 082271e364a3205598c2e4e6233a9f49ce7941cf; 2389fc1305fc1e2cf8b310a75463fefd3058bf48 builds before 3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489; from 2389fc1305fc1e2cf8b310a75463fefd3058bf48 before f12352471061df83a36edf54bbb16284793284e4	CNA record
linux linux_kernel linux:linux_kernel	from 4.1 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.16; from 6.19 before 6.19.6	NVD

References

References

https://git.kernel.org/stable/c/6d4e91ab97fda64e8cf9c8881cc3b4da026bd849	patch
https://git.kernel.org/stable/c/5718d98976ad6b9700e5a6afec67fc47a8a92580	patch
https://git.kernel.org/stable/c/57fa3487acfa3467405f8506b94682abd96e7393	patch
https://git.kernel.org/stable/c/ec40702029b08ee8d5f5b03303d64a10e74a957b	patch
https://git.kernel.org/stable/c/25e832a7830740e72103eb0b527680a4b64bbcb3	patch
https://git.kernel.org/stable/c/082271e364a3205598c2e4e6233a9f49ce7941cf	patch
https://git.kernel.org/stable/c/3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489	patch
https://git.kernel.org/stable/c/f12352471061df83a36edf54bbb16284793284e4	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.