CVE-2024-26621
What it is
In the Linux kernel, the following vulnerability has been resolved: mm: huge_memory: don't force huge page alignment on 32 bit commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP boundaries") caused two issues [1] [2] reported on 32 bit system or compat userspace. It doesn't make too much sense to force huge page alignment on 32 bit system due to the constrained virtual address space. [1] https://lore.kernel.org/linux-mm/[email protected]/ [2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure.
- Exploit odds
- 1.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.0% in the next 30 days (EPSS).
- Severity: 8.2 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.0% · EPSS, next 30 days
- Record status
- Modified
Affected
- Linux Kernel < 6.1.81
- Linux Kernel < 6.6.46
- Linux Kernel < 6.7.6
- Linux Kernel 6.8
Attack profile CVSS 3.1 · 8.2
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2024-26621.md and follow it. Check whether this project is affected by CVE-2024-26621. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d
- https://git.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555
- https://git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47
- https://git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe
- http://www.openwall.com/lists/oss-security/2024/07/08/3
- http://www.openwall.com/lists/oss-security/2024/07/08/4
- http://www.openwall.com/lists/oss-security/2024/07/08/5
- http://www.openwall.com/lists/oss-security/2024/07/08/6
- http://www.openwall.com/lists/oss-security/2024/07/08/7
- http://www.openwall.com/lists/oss-security/2024/07/08/8
References
- https://git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d
- https://git.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555
- https://git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47
- https://git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe
- http://www.openwall.com/lists/oss-security/2024/07/08/3
- http://www.openwall.com/lists/oss-security/2024/07/08/4
- http://www.openwall.com/lists/oss-security/2024/07/08/5
- http://www.openwall.com/lists/oss-security/2024/07/08/6
- http://www.openwall.com/lists/oss-security/2024/07/08/7
- http://www.openwall.com/lists/oss-security/2024/07/08/8
- http://www.openwall.com/lists/oss-security/2024/07/09/1
- http://www.openwall.com/lists/oss-security/2024/07/10/5
- http://www.openwall.com/lists/oss-security/2024/07/10/7
- http://www.openwall.com/lists/oss-security/2024/07/10/8
- http://www.openwall.com/lists/oss-security/2024/07/11/4
- http://www.openwall.com/lists/oss-security/2024/07/11/5
- http://www.openwall.com/lists/oss-security/2024/07/11/7
- http://www.openwall.com/lists/oss-security/2024/07/12/3
- http://www.openwall.com/lists/oss-security/2024/07/13/2
- http://www.openwall.com/lists/oss-security/2024/07/13/7
- http://www.openwall.com/lists/oss-security/2024/07/15/1
- http://www.openwall.com/lists/oss-security/2024/07/15/2
- http://www.openwall.com/lists/oss-security/2024/07/16/1
- http://www.openwall.com/lists/oss-security/2024/07/16/2
- http://www.openwall.com/lists/oss-security/2024/07/29/2