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CVE-2022-48803

7.3 · HIGH

In the Linux kernel, the following vulnerability has been resolved: phy: ti: Fix missing sentinel for clk_div_table _get_table_maxdiv() tries to access "clk_div_table" array out of bound defined…

Published Jul 16, 2024CWE-125EPSS 0.30%

Overview

CVE-2022-48803 is a high-severity vulnerability. It was published on July 16, 2024 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, 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:

phy: ti: Fix missing sentinel for clk_div_table

_get_table_maxdiv() tries to access "clk_div_table" array out of bound

defined in phy-j721e-wiz.c. Add a sentinel entry to prevent

the following global-out-of-bounds error reported by enabling KASAN.

[ 9.552392] BUG: KASAN: global-out-of-bounds in _get_maxdiv+0xc0/0x148

[ 9.558948] Read of size 4 at addr ffff8000095b25a4 by task kworker/u4:1/38

[ 9.565926]

[ 9.567441] CPU: 1 PID: 38 Comm: kworker/u4:1 Not tainted 5.16.0-116492-gdaadb3bd0e8d-dirty #360

[ 9.576242] Hardware name: Texas Instruments J721e EVM (DT)

[ 9.581832] Workqueue: events_unbound deferred_probe_work_func

[ 9.587708] Call trace:

[ 9.590174] dump_backtrace+0x20c/0x218

[ 9.594038] show_stack+0x18/0x68

[ 9.597375] dump_stack_lvl+0x9c/0xd8

[ 9.601062] print_address_description.constprop.0+0x78/0x334

[ 9.606830] kasan_report+0x1f0/0x260

[ 9.610517] __asan_load4+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/3c75d1017cb362b6a4e0935746ef5da28250919fRefgit.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86edRefgit.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69Refgit.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54Refgit.kernel.org/stable/c/3c75d1017cb362b6a4e0935746ef5da28250919fRefgit.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86edRefgit.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69Refgit.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54

How CyberStrike helps

Frequently asked questions

What is CVE-2022-48803?

CVE-2022-48803 is a high-severity vulnerability. It was published on July 16, 2024 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2022-48803?

This vulnerability has a CVSS 3.1 base score of 7.3, 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-2022-48803?

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-2022-48803?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-48803 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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