CVE-2022-49356: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Trap RDMA segment overflows Prevent svc_rdma_build_writes() from walking off the end of a Write chunk's segment array. Caught with KASAN. The test that this fix replaces is invalid, and might have been left over from an earlier prototype of the PCL work.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.11 — 5.15.47
linux	linux_kernel	5.16 — 5.17.15
linux	linux_kernel	5.18 — 5.18.4
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/659f7568e09593945c221bf20217a82ebdfe1328 https://git.kernel.org/stable/c/812c13521d4a72469c78ce06d8cdc8dc5b5557b5 https://git.kernel.org/stable/c/ea26bf5eca1459b5a7824997d7823409ce38214e https://git.kernel.org/stable/c/f012e95b377c73c0283f009823c633104dedb337

Frequently Asked Questions

What is CVE-2022-49356? +

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Trap RDMA segment overflows Prevent svc_rdma_build_writes() from walking off the end of a Write chunk's segment array. Caught with KASAN. The test that this fix replaces is invalid, and might have been left over from an earlier prototype of the PCL work. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49356? +

CVE-2022-49356 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-49356? +

CVE-2022-49356 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-49356? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2022-49356