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CVE-2022-48998

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: powerpc/bpf/32: Fix Oops on tail call tests test_bpf tail call tests end up as: test_bpf: #0 Tail call leaf jited:1 85 PASS…

Published Oct 21, 2024CWE-787EPSS 0.23%

Overview

CVE-2022-48998 is a high-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, 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:

powerpc/bpf/32: Fix Oops on tail call tests

test_bpf tail call tests end up as:

test_bpf: #0 Tail call leaf jited:1 85 PASS

test_bpf: #1 Tail call 2 jited:1 111 PASS

test_bpf: #2 Tail call 3 jited:1 145 PASS

test_bpf: #3 Tail call 4 jited:1 170 PASS

test_bpf: #4 Tail call load/store leaf jited:1 190 PASS

test_bpf: #5 Tail call load/store jited:1

BUG: Unable to handle kernel data access on write at 0xf1b4e000

Faulting instruction address: 0xbe86b710

Oops: Kernel access of bad area, sig: 11 [#1]

BE PAGE_SIZE=4K MMU=Hash PowerMac

Modules linked in: test_bpf(+)

CPU: 0 PID: 97 Comm: insmod Not tainted 6.1.0-rc4+ #195

Hardware name: PowerMac3,1 750CL 0x87210 PowerMac

NIP: be86b710 LR: be857e88 CTR: be86b704

REGS: f1b4df20 TRAP: 0300 Not tainted (6.1.0-rc4+)

MSR: 00009032 <EE,ME,IR,DR,RI> CR: 28008242 XER: 00000000

DAR: f1b4e000 DSISR: 42000000

GPR00: 00000001 f1b4dfe0 c11d2280 00

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/747a6e547240baaaf41874d27333b87b87cfd24cRefgit.kernel.org/stable/c/89d21e259a94f7d5582ec675aa445f5a79f347e4

How CyberStrike helps

Frequently asked questions

What is CVE-2022-48998?

CVE-2022-48998 is a high-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-48998?

This vulnerability has a CVSS 3.1 base score of 7.8, 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-2022-48998?

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-2022-48998?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-48998 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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