CVE-2024-26906 — Improper Input Validation in Linux

CWE-20 — Improper Input Validation26 documents7 sources
Severity
5.5MEDIUMNVD
OSV7.0OSV6.5
EPSS
0.0%
top 99.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedApr 17
Latest updateJul 26

Description

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() When trying to use copy_from_kernel_nofault() to read vsyscall page through a bpf program, the following oops was reported: BUG: unable to handle page fault for address: ffffffffff600000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 3231067 P4D 3231067 PUD 3233067 PMD 3235067 PTE 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU…

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_kernel5.11 — 5.15.153+5
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶Ubuntulinux/linux_kernel< 5.15.0-112.122
▶CVEListV5linux/linux75a1a607bb7e6d918be3aca11ec2214a275392f4 — 6e4694e65b6db4c3de125115dd4f55848cc48381+6
▶debiandebian/linux< linux 6.1.85-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

12
OSV
linux-raspi vulnerabilities↗2024-07-26
▶
OSV
linux-ibm-5.15 vulnerabilities↗2024-07-10
▶
OSV
linux-hwe-5.15 vulnerabilities↗2024-07-04
▶
OSV
linux-azure, linux-azure-fde vulnerabilities↗2024-06-14
▶
OSV
linux-aws, linux-aws-5.15 vulnerabilities↗2024-06-11
▶

📋Vendor Advisories

12
Ubuntu
Linux kernel vulnerabilities↗2024-07-26
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2024-07-10
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2024-07-04
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-06-14
▶
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities↗2024-06-11
▶

💬Community

1
Bugzilla
CVE-2024-26906 kernel: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault()↗2024-04-17
▶