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CVE-2022-49916

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: rose: Fix NULL pointer dereference in rose_send_frame() The syzkaller reported an issue: KASAN: null-ptr-deref in range [0x000…

Published May 1, 2025CWE-476EPSS 0.19%

Overview

CVE-2022-49916 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

rose: Fix NULL pointer dereference in rose_send_frame()

The syzkaller reported an issue:

KASAN: null-ptr-deref in range [0x0000000000000380-0x0000000000000387]

CPU: 0 PID: 4069 Comm: kworker/0:15 Not tainted 6.0.0-syzkaller-02734-g0326074ff465 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022

Workqueue: rcu_gp srcu_invoke_callbacks

RIP: 0010:rose_send_frame+0x1dd/0x2f0 net/rose/rose_link.c:101

Call Trace:

<IRQ>

rose_transmit_clear_request+0x1d5/0x290 net/rose/rose_link.c:255

rose_rx_call_request+0x4c0/0x1bc0 net/rose/af_rose.c:1009

rose_loopback_timer+0x19e/0x590 net/rose/rose_loopback.c:111

call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474

expire_timers kernel/time/timer.c:1519 [inline]

__run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790

__run_timers kernel/time/timer.c:1768 [inline]

run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803

__do_softirq+0x1d0/0

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/01b9c68c121847d05a4ccef68244dadf82bfa331Refgit.kernel.org/stable/c/3e2129c67daca21043a26575108f6286c85e71f6Refgit.kernel.org/stable/c/5b46adfbee1e429f33b10a88d6c00fa88f3d6c77Refgit.kernel.org/stable/c/a601e5eded33bb88b8a42743db8fef3ad41dd97eRefgit.kernel.org/stable/c/b13be5e852b03f376058027e462fad4230240891Refgit.kernel.org/stable/c/bbc03d74e641e824754443b908454ca9e203773eRefgit.kernel.org/stable/c/e97c089d7a49f67027395ddf70bf327eeac2611eRefgit.kernel.org/stable/c/f06186e5271b980bac03f5c97276ed0146ddc9b0

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49916?

CVE-2022-49916 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49916?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49916?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49916?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49916 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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