CVE-2022-49048: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6_forward() when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev vxlan100 root tc qdisc add dev vxlan100 root netem corrupt 5%

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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	4.19.199 — 4.19.239
linux	linux_kernel	5.4.136 — 5.4.190
linux	linux_kernel	5.10.54 — 5.10.112
linux	linux_kernel	5.13.6 — 5.14
linux	linux_kernel	5.14.1 — 5.15.35
linux	linux_kernel	5.16 — 5.17.4
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
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/74b68f5249f16c5f7f675d0f604fa6ae20e3a151 https://git.kernel.org/stable/c/a263712ba8c9ded25dd9d2d5ced11bcea5b33a3e https://git.kernel.org/stable/c/ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435 https://git.kernel.org/stable/c/adee01bbf6cb5b3e4ed08be8ff866aac90f13836 https://git.kernel.org/stable/c/e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0 https://git.kernel.org/stable/c/e69fb3de87a8923e5931a272a38fa3cceb01da44

Frequently Asked Questions

What is CVE-2022-49048? +

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6_forward() when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev vxlan100 root tc qdisc add dev vxlan100 root netem corrupt 5% It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49048? +

CVE-2022-49048 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-2022-49048? +

CVE-2022-49048 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-2022-49048? +

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-2022-49048