CVE-2024-26675Allocation of Resources Without Limits or Throttling in Linux

Severity
5.5MEDIUMNVD
OSV7.8OSV7.0OSV6.5
EPSS
0.0%
top 99.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 2
Latest updateAug 14

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 taint

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

NVDlinux/linux_kernel2.6.124.19.307+7
Debianlinux/linux_kernel< 5.10.216-1+3
Ubuntulinux/linux_kernel< 5.4.0-181.201+3
CVEListV5linux/linux1da177e4c3f41524e886b7f1b8a0c1fc7321cac24fdb14ba89faff6e6969a4dffdc8e54235d6e5ed+8
debiandebian/linux< linux 6.1.82-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

🔴Vulnerability Details

18
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities2024-12-10
OSV
linux-oracle vulnerabilities2024-11-25
OSV
linux-azure vulnerabilities2024-11-20
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities2024-11-19
OSV
linux-oem-6.5 vulnerabilities2024-08-02

📋Vendor Advisories

19
CISA ICS
Siemens SINEC OS2025-08-14
Ubuntu
Linux kernel vulnerabilities2024-12-10
Ubuntu
Linux kernel (Oracle) vulnerabilities2024-11-25
Ubuntu
Linux kernel (Azure) vulnerabilities2024-11-20
Ubuntu
Linux kernel vulnerabilities2024-11-19

💬Community

1
Bugzilla
CVE-2024-26675 kernel: ppp_async: limit MRU to 64K2024-04-02