CVE-2022-49748

low-risk
Published 2025-03-27

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd: fix potential integer overflow on shift of a int The left shift of int 32 bit integer constant 1 is evaluated using 32 bit arithmetic and then passed as a 64 bit function argument. In the case where i is 32 or more this can lead to an overflow. Avoid this by shifting using the BIT_ULL macro instead.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Linux

References (5)

Patch https://git.kernel.org/stable/c/08245672cdc6505550d1a5020603b0a8d4a6dcc7
Patch https://git.kernel.org/stable/c/14cc13e433e1067557435b1adbf05608d7d47a93
Patch https://git.kernel.org/stable/c/a4d01fb87ece45d4164fd725890211ccf9a307a9
Patch https://git.kernel.org/stable/c/f84c9b72fb200633774704d8020f769c88a4b249
Patch https://git.kernel.org/stable/c/fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954
25
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low