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CVE-2022-49970

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix kernel BUG in purge_effective_progs Syzkaller reported a triggered kernel BUG as follows: ------------[ cut…

Published Jun 18, 2025EPSS 0.28%

Overview

CVE-2022-49970 is a high-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. 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:

bpf, cgroup: Fix kernel BUG in purge_effective_progs

Syzkaller reported a triggered kernel BUG as follows:

------------[ cut here ]------------

kernel BUG at kernel/bpf/cgroup.c:925!

invalid opcode: 0000 [#1] PREEMPT SMP NOPTI

CPU: 1 PID: 194 Comm: detach Not tainted 5.19.0-14184-g69dac8e431af #8

Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS

rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014

RIP: 0010:__cgroup_bpf_detach+0x1f2/0x2a0

Code: 00 e8 92 60 30 00 84 c0 75 d8 4c 89 e0 31 f6 85 f6 74 19 42 f6 84

28 48 05 00 00 02 75 0e 48 8b 80 c0 00 00 00 48 85 c0 75 e5 <0f> 0b 48

8b 0c5

RSP: 0018:ffffc9000055bdb0 EFLAGS: 00000246

RAX: 0000000000000000 RBX: ffff888100ec0800 RCX: ffffc900000f1000

RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888100ec4578

RBP: 0000000000000000 R08: ffff888100ec0800 R09: 0000000000000040

R10: 0000000000000000 R11: 0000000000000000 R12: ff

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/222bd95c89b135fde21f0bd0cb5cc1611c0c576cRefgit.kernel.org/stable/c/7d6620f107bae6ed687ff07668e8e8f855487aa9Refgit.kernel.org/stable/c/a1a05d3ae58299b040da4d5b27e72e81c2132e0bRefgit.kernel.org/stable/c/c5f975e3ebfa57be13393c585a4b58ea707023cb

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49970?

CVE-2022-49970 is a high-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2022-49970?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49970?

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-2022-49970?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49970 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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