CVE-2022-48958: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: ethernet: aeroflex: fix potential skb leak in greth_init_rings() The greth_init_rings() function won't free the newly allocated skb when dma_mapping_error() returns error, so add dev_kfree_skb() to fix it. Compile tested only.

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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

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
linux	linux_kernel	2.6.34 — 4.9.336
linux	linux_kernel	4.10 — 4.14.302
linux	linux_kernel	4.15 — 4.19.269
linux	linux_kernel	4.20 — 5.4.227
linux	linux_kernel	5.5 — 5.10.159
linux	linux_kernel	5.11 — 5.15.83
linux	linux_kernel	5.16 — 6.0.13
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/063a932b64db3317ec020c94466fe52923a15f60 https://git.kernel.org/stable/c/223654e2e2c8d05347cd8e300f8d1ec6023103dd https://git.kernel.org/stable/c/87277bdf2c370ab2d07cfe77dfa9b37f82bbe1e5 https://git.kernel.org/stable/c/99669d94ce145389f1d6f197e6e18ed50d43fb76 https://git.kernel.org/stable/c/bfaa8f6c5b84b295dd73b0138b57c5555ca12b1c https://git.kernel.org/stable/c/c7adcbd0fd3fde1b19150c3e955fb4a30c5bd9b7 https://git.kernel.org/stable/c/cb1e293f858e5e1152b8791047ed4bdaaf392189 https://git.kernel.org/stable/c/dd62867a6383f78f75f07039394aac25924a3307

Frequently Asked Questions

What is CVE-2022-48958? +

In the Linux kernel, the following vulnerability has been resolved: ethernet: aeroflex: fix potential skb leak in greth_init_rings() The greth_init_rings() function won't free the newly allocated skb when dma_mapping_error() returns error, so add dev_kfree_skb() to fix it. Compile tested only. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-48958? +

CVE-2022-48958 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-2022-48958? +

CVE-2022-48958 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-2022-48958? +

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-2022-48958