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CVE-2023-53844— drm/ttm: Don't leak a resource on swapout move error

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于drm/ttm在swapout移动错误时泄漏资源。

CVSS 7.8 · High EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux bfa3357ef9abc9d56a2910222d2deeb9f15c91ff< af4e0ce2af8a8f0ff3b89702a1e18d8ec2c4a834 affected
bfa3357ef9abc9d56a2910222d2deeb9f15c91ff< f037f6038736bd038ddb9c72de979a08cc1ee3b5 affected
bfa3357ef9abc9d56a2910222d2deeb9f15c91ff< 4a5b37ea6797d7a53e6dd004aa37e149f40199ce affected
bfa3357ef9abc9d56a2910222d2deeb9f15c91ff< a590f03d8de7c4cb7ce4916dc7f2fd10711faabe affected
5.14 affected
< 5.14 unaffected
5.15.121≤ 5.15.* unaffected
6.1.40≤ 6.1.* unaffected
… +2 more rows
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I. Basic Information for CVE-2023-53844

Vulnerability Information
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Vulnerability Title
drm/ttm: Don't leak a resource on swapout move error
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Don't leak a resource on swapout move error If moving the bo to system for swapout failed, we were leaking a resource. Fix.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于drm/ttm在swapout移动错误时泄漏资源。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux bfa3357ef9abc9d56a2910222d2deeb9f15c91ff ~ af4e0ce2af8a8f0ff3b89702a1e18d8ec2c4a834 -
Linux Linux 5.14 -

II. Public POCs for CVE-2023-53844

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III. Intelligence Information for CVE-2023-53844

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Same Patch Batch · Linux · 2025-12-09 · 152 CVEs total

CVE-2025-40343 9.8 CRITICAL nvmet-fc: avoid scheduling association deletion twice
CVE-2022-50666 9.8 CRITICAL RDMA/siw: Fix QP destroy to wait for all references dropped.
CVE-2023-53794 9.8 CRITICAL cifs: fix session state check in reconnect to avoid use-after-free issue
CVE-2025-40336 8.8 HIGH drm/gpusvm: fix hmm_pfn_to_map_order() usage
CVE-2023-53822 8.8 HIGH wifi: ath11k: Ignore frags from uninitialized peer in dp.
CVE-2025-40328 8.8 HIGH smb: client: fix potential UAF in smb2_close_cached_fid()
CVE-2023-53785 8.8 HIGH mt76: mt7921: don't assume adequate headroom for SDIO headers
CVE-2025-40342 8.8 HIGH nvme-fc: use lock accessing port_state and rport state
CVE-2023-53827 8.8 HIGH Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
CVE-2023-53851 8.4 HIGH drm/msm/dp: Drop aux devices together with DP controller
CVE-2025-40337 8.2 HIGH net: stmmac: Correctly handle Rx checksum offload errors
CVE-2023-53803 8.1 HIGH scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
CVE-2022-50656 8.1 HIGH nfc: pn533: Clear nfc_target before being used
CVE-2023-53816 7.8 HIGH drm/amdkfd: fix potential kgd_mem UAFs
CVE-2023-53790 7.8 HIGH bpf: Zeroing allocated object from slab in bpf memory allocator
CVE-2023-53819 7.8 HIGH amdgpu: validate offset_in_bo of drm_amdgpu_gem_va
CVE-2025-40344 7.8 HIGH ASoC: Intel: avs: Disable periods-elapsed work when closing PCM
CVE-2023-53795 7.8 HIGH iommufd: IOMMUFD_DESTROY should not increase the refcount
CVE-2023-53810 7.8 HIGH blk-mq: release crypto keyslot before reporting I/O complete
CVE-2023-53806 7.8 HIGH drm/amd/display: populate subvp cmd info only for the top pipe

Showing top 20 of 152 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53844

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