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CVE-2024-38661

5.5 · MEDIUM
Published Jun 25, 2024 linux CWE-190 EPSS 0.26% (17th pctl)

Overview

CVE-2024-38661 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 25, 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:

s390/ap: Fix crash in AP internal function modify_bitmap()

A system crash like this

Failing address: 200000cb7df6f000 TEID: 200000cb7df6f403

Fault in home space mode while using kernel ASCE.

AS:00000002d71bc007 R3:00000003fe5b8007 S:000000011a446000 P:000000015660c13d

Oops: 0038 ilc:3 [#1] PREEMPT SMP

Modules linked in: mlx5_ib ...

CPU: 8 PID: 7556 Comm: bash Not tainted 6.9.0-rc7 #8

Hardware name: IBM 3931 A01 704 (LPAR)

Krnl PSW : 0704e00180000000 0000014b75e7b606 (ap_parse_bitmap_str+0x10e/0x1f8)

R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3

Krnl GPRS: 0000000000000001 ffffffffffffffc0 0000000000000001 00000048f96b75d3

000000cb00000100 ffffffffffffffff ffffffffffffffff 000000cb7df6fce0

000000cb7df6fce0 00000000ffffffff 000000000000002b 00000048ffffffff

000003ff9b2dbc80 200000cb7df6fcd8 0000014bffffffc0 000000cb7df6fbc8

Krnl Code: 0000014b75e7b5fc: a7840047 brc

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 0, < 4.19.316 Affected

References

Ref git.kernel.org/stable/c/2062e3f1f2374102f8014d7ca286b9aa527bd558 Ref git.kernel.org/stable/c/4c0bfb4e867c1ec6616a5049bd3618021e127056 Ref git.kernel.org/stable/c/67011123453b91ec03671d40712fa213e94a01b9 Ref git.kernel.org/stable/c/7360cef95aa1ea2b5efb7b5e2ed32e941664e1f0 Ref git.kernel.org/stable/c/7c72af16abf2ec7520407098360bbba312289e05 Ref git.kernel.org/stable/c/7dabe54a016defe11bb2a278cd9f1ff6db3feba6 Ref git.kernel.org/stable/c/8c5f5911c1b13170d3404eb992c6a0deaa8d81ad Ref git.kernel.org/stable/c/d4f9d5a99a3fd1b1c691b7a1a6f8f3f25f4116c9 Ref git.kernel.org/stable/c/2062e3f1f2374102f8014d7ca286b9aa527bd558 Ref git.kernel.org/stable/c/4c0bfb4e867c1ec6616a5049bd3618021e127056

Frequently Asked Questions

What is CVE-2024-38661?

CVE-2024-38661 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 25, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-38661?

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-2024-38661?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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-2024-38661?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-38661 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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