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CVE-2023-53858— tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of 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samsung_tty在s3c24xx_serial_getclk错误情况下内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1562.001

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 5f5a7a5578c5885201cf9c85856f023fe8b81765< 755289d67eb9a74ae71bb624902e979c66859444 affected
5f5a7a5578c5885201cf9c85856f023fe8b81765< f47e6631a8fcc6fe05b8644aa4222a60f3b0a927 affected
5f5a7a5578c5885201cf9c85856f023fe8b81765< 30962268fa1a7466413b3d83037688129021d470 affected
5f5a7a5578c5885201cf9c85856f023fe8b81765< a49e5a05121c8bc471a57b4916c5393749c24de5 affected
5f5a7a5578c5885201cf9c85856f023fe8b81765< 073dbbe5743779faf24f233cc95459b47c7198dd affected
5f5a7a5578c5885201cf9c85856f023fe8b81765< 34f5b826dd509b76644f83094b4af7e7668a6a38 affected
5f5a7a5578c5885201cf9c85856f023fe8b81765< 1694fc8ad734e2909a9e40d2be03cc4423e0bee6 affected
5f5a7a5578c5885201cf9c85856f023fe8b81765< a9c09546e903f1068acfa38e1ee18bded7114b37 affected
… +10 more rows
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I. Basic Information for CVE-2023-53858

Vulnerability Information
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Vulnerability Title
tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error If clk_get_rate() fails, the clk that has just been allocated needs to be freed.
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samsung_tty在s3c24xx_serial_getclk错误情况下内存泄漏。
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 5f5a7a5578c5885201cf9c85856f023fe8b81765 ~ 755289d67eb9a74ae71bb624902e979c66859444 -
Linux Linux 3.3 -

II. Public POCs for CVE-2023-53858

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III. Intelligence Information for CVE-2023-53858

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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-2023-53794 9.8 CRITICAL cifs: fix session state check in reconnect to avoid use-after-free issue
CVE-2022-50666 9.8 CRITICAL RDMA/siw: Fix QP destroy to wait for all references dropped.
CVE-2023-53827 8.8 HIGH Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
CVE-2023-53785 8.8 HIGH mt76: mt7921: don't assume adequate headroom for SDIO headers
CVE-2023-53822 8.8 HIGH wifi: ath11k: Ignore frags from uninitialized peer in dp.
CVE-2025-40336 8.8 HIGH drm/gpusvm: fix hmm_pfn_to_map_order() usage
CVE-2025-40342 8.8 HIGH nvme-fc: use lock accessing port_state and rport state
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-2023-53804 7.8 HIGH nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()
CVE-2023-53819 7.8 HIGH amdgpu: validate offset_in_bo of drm_amdgpu_gem_va
CVE-2023-53816 7.8 HIGH drm/amdkfd: fix potential kgd_mem UAFs
CVE-2023-53800 7.8 HIGH ubi: Fix use-after-free when volume resizing failed
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-2023-53810 7.8 HIGH blk-mq: release crypto keyslot before reporting I/O complete

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-2023-53858

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