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CVE-2023-53719— serial: arc_uart: fix of_iomap leak in `arc_serial_probe`

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arc_serial_probe函数中资源未正确释放，可能导致资源泄漏。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1562

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 8dbe1d5e09a7faec8d22cadcc1011acab8fa6e2a< 3f00df24a5021a6f02c1830a290acd4bceb22a2d affected
8dbe1d5e09a7faec8d22cadcc1011acab8fa6e2a< 7525aa211758cc023a371e010d16ceaae1057807 affected
8dbe1d5e09a7faec8d22cadcc1011acab8fa6e2a< 153017561d2804cfae87cc9aa377aa84dd906ae1 affected
8dbe1d5e09a7faec8d22cadcc1011acab8fa6e2a< f76a18e53a66c0ef2938276110717b3805720cd9 affected
8dbe1d5e09a7faec8d22cadcc1011acab8fa6e2a< 081790eee6b47389a0d895262086d64c6a38d6e5 affected
8dbe1d5e09a7faec8d22cadcc1011acab8fa6e2a< 40a462313ba4f337a2b419e7fb4a670f3dd95e14 affected
8dbe1d5e09a7faec8d22cadcc1011acab8fa6e2a< 8ab5fc55d7f65d58a3c3aeadf11bdf60267cd2bd affected
3.17 affected
… +8 more rows
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I. Basic Information for CVE-2023-53719

Vulnerability Information
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Vulnerability Title
serial: arc_uart: fix of_iomap leak in `arc_serial_probe`
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: serial: arc_uart: fix of_iomap leak in `arc_serial_probe` Smatch reports: drivers/tty/serial/arc_uart.c:631 arc_serial_probe() warn: 'port->membase' from of_iomap() not released on lines: 631. In arc_serial_probe(), if uart_add_one_port() fails, port->membase is not released, which would cause a resource leak. To fix this, I replace of_iomap with devm_platform_ioremap_resource.
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arc_serial_probe函数中资源未正确释放，可能导致资源泄漏。
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 8dbe1d5e09a7faec8d22cadcc1011acab8fa6e2a ~ 3f00df24a5021a6f02c1830a290acd4bceb22a2d -
Linux Linux 3.17 -

II. Public POCs for CVE-2023-53719

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III. Intelligence Information for CVE-2023-53719

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Same Patch Batch · Linux · 2025-10-22 · 67 CVEs total

CVE-2023-53711 8.2 HIGH NFS: Fix a potential data corruption
CVE-2023-53705 8.2 HIGH ipv6: Fix out-of-bounds access in ipv6_find_tlv()
CVE-2023-53713 7.8 HIGH arm64: sme: Use STR P to clear FFR context field in streaming SVE mode
CVE-2022-50581 7.8 HIGH hfs: fix OOB Read in __hfs_brec_find
CVE-2023-53718 7.8 HIGH ring-buffer: Do not swap cpu_buffer during resize process
CVE-2022-50569 7.8 HIGH xfrm: Update ipcomp_scratches with NULL when freed
CVE-2022-50570 7.8 HIGH platform/chrome: fix memory corruption in ioctl
CVE-2022-50567 7.8 HIGH fs: jfs: fix shift-out-of-bounds in dbAllocAG
CVE-2023-53707 7.8 HIGH drm/amdgpu: Fix integer overflow in amdgpu_cs_pass1
CVE-2023-53692 7.8 HIGH ext4: fix use-after-free read in ext4_find_extent for bigalloc + inline
CVE-2023-53729 7.8 HIGH soc: qcom: qmi_encdec: Restrict string length in decode
CVE-2023-53698 7.8 HIGH xsk: fix refcount underflow in error path
CVE-2023-53695 7.8 HIGH udf: Detect system inodes linked into directory hierarchy
CVE-2023-53726 7.1 HIGH arm64: csum: Fix OoB access in IP checksum code for negative lengths
CVE-2023-53716 net: fix skb leak in __skb_tstamp_tx()
CVE-2023-53708 ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
CVE-2023-53704 clk: imx: clk-imx8mp: improve error handling in imx8mp_clocks_probe()
CVE-2023-53712 ARM: 9317/1: kexec: Make smp stop calls asynchronous
CVE-2023-53702 s390/crypto: use vector instructions only if available for ChaCha20
CVE-2023-53710 wifi: mt76: mt7921: fix error code of return in mt7921_acpi_read

Showing top 20 of 67 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53719

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