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CVE-2021-47313

cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init

Assigner:Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
Reserved:2024-05-21
Published:2024-05-21
Updated:2024-06-06

Description

In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init It's a classic example of memleak, we allocate something, we fail and never free the resources. Make sure we free all resources on policy ->init() failures.

Product status

Default status
unaffected

a28b2bfc099c before b77538335575
affected

a28b2bfc099c before e1b2b2b61d30
affected

a28b2bfc099c before fe2535a44904
affected

Default status
affected

5.11
affected

Any version before 5.11
unaffected

5.12.19
unaffected

5.13.4
unaffected

5.14
unaffected

References

https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3

https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2

https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b

cve.org CVE-2021-47313

nvd.nist.gov CVE-2021-47313

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