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CVE-2023-54042— powerpc/64s: Fix VAS mm use after free

EPSS 0.03% · P10

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinux7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85< f7d92313002b2d543500cc417d8079aaed1fb0a8affected
7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85< 4e82f92c349ea603736ade1e814861c0182a55adaffected
7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85< db8657fdd53c5e3069149d7f957cb60e63027bb2affected
7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85< 421cd1544480f2458042fe7f4913a2069c4d7251affected
7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85< b4bda59b47879cce38a6ec5a01cd3cac702b5331affected
5.14affected
< 5.14unaffected
5.15.121≤ 5.15.*unaffected
… +4 more rows
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I. Basic Information for CVE-2023-54042

Vulnerability Information
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Vulnerability Title
powerpc/64s: Fix VAS mm use after free
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix VAS mm use after free The refcount on mm is dropped before the coprocessor is detached.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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，该漏洞源于在分离协处理器之前释放了VAS mm的引用计数，可能导致释放后重用。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 7bc6f71bdff5f8921e324da0a8fad6f4e2e63a85 ~ f7d92313002b2d543500cc417d8079aaed1fb0a8 -
LinuxLinux 5.14 -

II. Public POCs for CVE-2023-54042

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III. Intelligence Information for CVE-2023-54042

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Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total

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Showing top 20 of 322 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-54042

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