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CVE-2024-26675

5.5 · MEDIUM
Published Apr 2, 2024 linux CWE-770 EPSS 0.25% (17th pctl)

Overview

CVE-2024-26675 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 2, 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:

ppp_async: limit MRU to 64K

syzbot triggered a warning [1] in __alloc_pages():

WARN_ON_ONCE_GFP(order > MAX_PAGE_ORDER, gfp)

Willem fixed a similar issue in commit c0a2a1b0d631 ("ppp: limit MRU to 64K")

Adopt the same sanity check for ppp_async_ioctl(PPPIOCSMRU)

[1]:

WARNING: CPU: 1 PID: 11 at mm/page_alloc.c:4543 __alloc_pages+0x308/0x698 mm/page_alloc.c:4543

Modules linked in:

CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc2-syzkaller-g41bccc98fb79 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023

Workqueue: events_unbound flush_to_ldisc

pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)

pc : __alloc_pages+0x308/0x698 mm/page_alloc.c:4543

lr : __alloc_pages+0xc8/0x698 mm/page_alloc.c:4537

sp : ffff800093967580

x29: ffff800093967660 x28: ffff8000939675a0 x27: dfff800000000000

x26: ffff70001272ceb4 x25: 0000000000000000 x24: ffff8000939675c0

x23:

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 >= 2.6.12, < 4.19.307 Affected

References

Ref git.kernel.org/stable/c/210d938f963dddc543b07e66a79b7d8d4bd00bd8 Ref git.kernel.org/stable/c/4e2c4846b2507f6dfc9bea72b7567c2693a82a16 Ref git.kernel.org/stable/c/4fdb14ba89faff6e6969a4dffdc8e54235d6e5ed Ref git.kernel.org/stable/c/56fae81633ccee307cfcb032f706bf1863a56982 Ref git.kernel.org/stable/c/58fbe665b097bf7b3144da7e7b91fb27aa8d0ae3 Ref git.kernel.org/stable/c/7e5ef49670766c9742ffcd9cead7cdb018268719 Ref git.kernel.org/stable/c/b06e067e93fa4b98acfd3a9f38a398ab91bbc58b Ref git.kernel.org/stable/c/cb88cb53badb8aeb3955ad6ce80b07b598e310b8 Ref git.kernel.org/stable/c/210d938f963dddc543b07e66a79b7d8d4bd00bd8 Ref git.kernel.org/stable/c/4e2c4846b2507f6dfc9bea72b7567c2693a82a16

Frequently Asked Questions

What is CVE-2024-26675?

CVE-2024-26675 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 2, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-26675?

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-2024-26675?

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-2024-26675?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-26675 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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