CVE-2024-26712Improper Input Validation in Linux

Severity
4.4MEDIUMNVD
OSV7.8OSV7.0OSV6.5
EPSS
0.0%
top 99.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 3
Latest updateAug 2

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Fix addr error caused by page alignment In kasan_init_region, when k_start is not page aligned, at the begin of for loop, k_cur = k_start & PAGE_MASK is less than k_start, and then `va = block + k_cur - k_start` is less than block, the addr va is invalid, because the memory address space from va to block is not alloced by memblock_alloc, which will not be reserved by memblock_reserve later, it will be used by ot

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 0.8 | Impact: 3.6

Affected Packages5 packages

NVDlinux/linux_kernel5.45.10.210+5
Debianlinux/linux_kernel< 5.10.216-1+3
Ubuntulinux/linux_kernel< 5.4.0-186.206+1
CVEListV5linux/linux663c0c9496a69f80011205ba3194049bcafd681d230e89b5ad0a33f530a2a976b3e5e4385cb27882+7
debiandebian/linux< linux 6.1.82-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

🔴Vulnerability Details

14
OSV
linux-oem-6.5 vulnerabilities2024-08-02
OSV
linux-aws-6.5, linux-lowlatency-hwe-6.5, linux-oracle-6.5, linux-starfive-6.5 vulnerabilities2024-07-19
OSV
linux-hwe-6.5 vulnerabilities2024-07-17
OSV
linux-azure-6.5, linux-gcp-6.5 vulnerabilities2024-07-16
OSV
linux, linux-gcp, linux-nvidia-6.5, linux-raspi vulnerabilities2024-07-12

📋Vendor Advisories

13
Ubuntu
Linux kernel vulnerabilities2024-08-02
Ubuntu
Linux kernel vulnerabilities2024-07-19
Ubuntu
Linux kernel vulnerabilities2024-07-17
Ubuntu
Linux kernel vulnerabilities2024-07-16
Ubuntu
Linux kernel vulnerabilities2024-07-12

💬Community

1
Bugzilla
CVE-2024-26712 kernel: powerpc/kasan: Fix addr error caused by page alignment2024-04-03