CVE-2022-50562
In the Linux kernel, the following vulnerability has been resolved: tpm: acpi: Call acpi_put_table() to fix memory leak The start and length of the event log area are obtained from TPM2 or TCPA table, so we call acpi_get_table() to get the ACPI information, but the acpi_get_table() should be coupled with acpi_put_table() to release the ACPI memory, add the acpi_put_table() properly to fix the memory leak. While we are at it, remove the redundant empty line at the end of the tpm_read_log_acpi().
Affected versions
Linux kernel versions
4.18
and later are affected. Fixed in
5.10.163,
5.15.87,
6.0.17,
6.1.3,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50562 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/638cd298dfebce46919cbd6cf1884701215f506d
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PatchKernel patch commithttps://git.kernel.org/stable/c/694a3d66f493afd77c704c6de91d9be4d6e004e4
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PatchKernel patch commithttps://git.kernel.org/stable/c/8740a12ca2e2959531ad253bac99ada338b33d80
Frequently asked questions
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What is CVE-2022-50562?
CVE-2022-50562 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.18 onward and has been patched in 5.10.163, 5.15.87, 6.0.17 and others. CVE-2022-50562 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2022-50562?
Yes — CVE-2022-50562 has been patched. Fixed versions include 5.10.163, 5.15.87, 6.0.17 and others. If you are running Linux kernel 4.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50562 actively exploited?
No — CVE-2022-50562 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.