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CVE-2022-48752

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: Fix power_pmu_disable to call clear_pmi_irq_pending only if PMI is pending Running selftest with CONFIG_PPC_IRQ_S…

Published Jun 20, 2024EPSS 0.21%

Overview

CVE-2022-48752 is a medium-severity vulnerability. It was published on June 20, 2024 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:

powerpc/perf: Fix power_pmu_disable to call clear_pmi_irq_pending only if PMI is pending

Running selftest with CONFIG_PPC_IRQ_SOFT_MASK_DEBUG enabled in kernel

triggered below warning:

[ 172.851380] ------------[ cut here ]------------

[ 172.851391] WARNING: CPU: 8 PID: 2901 at arch/powerpc/include/asm/hw_irq.h:246 power_pmu_disable+0x270/0x280

[ 172.851402] Modules linked in: dm_mod bonding nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables rfkill nfnetlink sunrpc xfs libcrc32c pseries_rng xts vmx_crypto uio_pdrv_genirq uio sch_fq_codel ip_tables ext4 mbcache jbd2 sd_mod t10_pi sg ibmvscsi ibmveth scsi_transport_srp fuse

[ 172.851442] CPU: 8 PID: 2901 Comm: lost_exception_ Not tainted 5.16.0-rc5-03218-g798527287598 #2

[ 172.851451] NIP: c00000000013d600 LR: c00000000013d5a4 CTR: c00000000013b180

[ 172.851458] REGS: c000000017687860 TRAP: 0700 Not tainted (5.16.0-rc5-03218-g798527287598)

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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/28aaed966e76807a71de79dd40a8eee9042374ddRefgit.kernel.org/stable/c/55402a4618721f350a9ab660bb42717d8aa18e7cRefgit.kernel.org/stable/c/fa4ad064a6bd49208221df5e62adf27b426d1720Refgit.kernel.org/stable/c/fb6433b48a178d4672cb26632454ee0b21056eaaRefgit.kernel.org/stable/c/28aaed966e76807a71de79dd40a8eee9042374ddRefgit.kernel.org/stable/c/55402a4618721f350a9ab660bb42717d8aa18e7cRefgit.kernel.org/stable/c/fa4ad064a6bd49208221df5e62adf27b426d1720Refgit.kernel.org/stable/c/fb6433b48a178d4672cb26632454ee0b21056eaa

How CyberStrike helps

Frequently asked questions

What is CVE-2022-48752?

CVE-2022-48752 is a medium-severity vulnerability. It was published on June 20, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-48752?

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-2022-48752?

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-2022-48752?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-48752 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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