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CVE-2024-26655— Fix memory leak in posix_clock_open()

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 posix_clock_open 存在内存泄露漏洞。

AI Predicted 4.3 Difficulty: Moderate EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 63cb05f600940a3b4824509e7e0e909f040c82ee< f845cfa1a5ae697782bfcb843c9d06d3bc0cbbb6 affected
a006fc4485159dc9bc3c4156f433f62b9c2b709c< 62a5adf57b56ee94075c889abea518b9dc66895d affected
72ba2204a2a71b6f25873f20eb9329e1e7a01d03< 375abf52353ca5e1a2e5f763629a870f91d0c38a affected
221e4d1e29bb442ac4c47bc8ee095abf009ee8f3< ea2d9bfd422e92fd197f6a0b1fe7d81413b871e0 affected
60c6946675fc06dd2fd2b7a4b6fd1c1f046f1056< a88649b49523e8cbe95254440d803e38c19d2341 affected
60c6946675fc06dd2fd2b7a4b6fd1c1f046f1056< 0200dd7ed2335469955d7e69cc1a6fa7df1f3847 affected
60c6946675fc06dd2fd2b7a4b6fd1c1f046f1056< 5b4cdd9c5676559b8a7c944ac5269b914b8c0bb8 affected
6.7 affected
… +4 more rows
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I. Basic Information for CVE-2024-26655

Vulnerability Information
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Vulnerability Title
Fix memory leak in posix_clock_open()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Fix memory leak in posix_clock_open() If the clk ops.open() function returns an error, we don't release the pccontext we allocated for this clock. Re-organize the code slightly to make it all more obvious.
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 posix_clock_open 存在内存泄露漏洞。
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 63cb05f600940a3b4824509e7e0e909f040c82ee ~ f845cfa1a5ae697782bfcb843c9d06d3bc0cbbb6 -
Linux Linux 6.7 -

II. Public POCs for CVE-2024-26655

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III. Intelligence Information for CVE-2024-26655

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Other References for CVE-2024-26655 (3)

Same Patch Batch · Linux · 2024-04-01 · 3 CVEs total

CVE-2024-26654 7.8 HIGH ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs
CVE-2024-26653 usb: misc: ljca: Fix double free in error handling path

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26655

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