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CVE-2023-53786— dm flakey: fix a crash with invalid table line

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，该漏洞源于无效表行导致的崩溃问题。

AI Predicted 7.8 Difficulty: Easy EPSS 0.23% · P13

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux a3998799fb4df0b0af8271a7d50c4269032397aa< f95cb1526669ccdf7eb12eefd57a893953e3595f affected
a3998799fb4df0b0af8271a7d50c4269032397aa< 12849ed107c0b2869fb775c81208050899006f07 affected
a3998799fb4df0b0af8271a7d50c4269032397aa< 337b7af273562b73c46ef77a724604ad139ca762 affected
a3998799fb4df0b0af8271a7d50c4269032397aa< a1e3fffe02e05c05357af91364ac0fc1ed425b5b affected
a3998799fb4df0b0af8271a7d50c4269032397aa< f76fcb9d43ec014ac4a1bb983768696d5b032df9 affected
a3998799fb4df0b0af8271a7d50c4269032397aa< cb874a190f3f7c3c3fa5b979bee7a3b8cc3a19cc affected
a3998799fb4df0b0af8271a7d50c4269032397aa< 83b4e3d878ea6be9aec1d5a1ab177c766c64d1a0 affected
a3998799fb4df0b0af8271a7d50c4269032397aa< 8258d84a7917aeece773716518deadb7ad776cb7 affected
… +12 more rows
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I. Basic Information for CVE-2023-53786

Vulnerability Information
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Vulnerability Title
dm flakey: fix a crash with invalid table line
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dm flakey: fix a crash with invalid table line This command will crash with NULL pointer dereference: dmsetup create flakey --table \ "0 `blockdev --getsize /dev/ram0` flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512" Fix the crash by checking if arg_name is non-NULL before comparing it.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于无效表行导致的崩溃问题。
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 a3998799fb4df0b0af8271a7d50c4269032397aa ~ f95cb1526669ccdf7eb12eefd57a893953e3595f -
Linux Linux 3.1 -

II. Public POCs for CVE-2023-53786

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III. Intelligence Information for CVE-2023-53786

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

CVE-2022-50666 9.8 CRITICAL RDMA/siw: Fix QP destroy to wait for all references dropped.
CVE-2025-40343 9.8 CRITICAL nvmet-fc: avoid scheduling association deletion twice
CVE-2023-53794 9.8 CRITICAL cifs: fix session state check in reconnect to avoid use-after-free issue
CVE-2025-40342 8.8 HIGH nvme-fc: use lock accessing port_state and rport state
CVE-2023-53822 8.8 HIGH wifi: ath11k: Ignore frags from uninitialized peer in dp.
CVE-2023-53785 8.8 HIGH mt76: mt7921: don't assume adequate headroom for SDIO headers
CVE-2025-40336 8.8 HIGH drm/gpusvm: fix hmm_pfn_to_map_order() usage
CVE-2023-53827 8.8 HIGH Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
CVE-2025-40328 8.8 HIGH smb: client: fix potential UAF in smb2_close_cached_fid()
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-2022-50656 8.1 HIGH nfc: pn533: Clear nfc_target before being used
CVE-2023-53803 8.1 HIGH scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
CVE-2023-53838 7.8 HIGH f2fs: synchronize atomic write aborts
CVE-2023-53860 7.8 HIGH dm: don't attempt to queue IO under RCU protection
CVE-2023-53829 7.8 HIGH f2fs: flush inode if atomic file is aborted
CVE-2023-53790 7.8 HIGH bpf: Zeroing allocated object from slab in bpf memory allocator
CVE-2023-53795 7.8 HIGH iommufd: IOMMUFD_DESTROY should not increase the refcount
CVE-2023-53844 7.8 HIGH drm/ttm: Don't leak a resource on swapout move error
CVE-2023-53846 7.8 HIGH f2fs: fix to do sanity check on direct node in truncate_dnode()

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-2023-53786

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