CVE-2026-23056Linux vulnerability

13 documents7 sources
Severity
5.5MEDIUM
No vector
EPSS
0.0%
top 89.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 4
Latest updateApr 17

Description

In the Linux kernel, the following vulnerability has been resolved: uacce: implement mremap in uacce_vm_ops to return -EPERM The current uacce_vm_ops does not support the mremap operation of vm_operations_struct. Implement .mremap to return -EPERM to remind users. The reason we need to explicitly disable mremap is that when the driver does not implement .mremap, it uses the default mremap method. This could lead to a risk scenario: An application might first mmap address p1, then mremap to p

Affected Packages12 packages

Linuxlinux/linux_kernel5.7.05.10.249+5
Debianlinux/linux_kernel< 5.10.249-1+3
CVEListV5linux/linux015d239ac0142ad0e26567fd890ef8d171f1370978d99f062d42e3af2ca46bde1a8e46e0dfd372e3+7
debiandebian/linux< linux 6.1.162-1 (bookworm)
debiandebian/linux-6.1< linux 6.1.162-1 (bookworm)

🔴Vulnerability Details

3
OSV
uacce: implement mremap in uacce_vm_ops to return -EPERM2026-02-04
OSV
CVE-2026-23056: In the Linux kernel, the following vulnerability has been resolved: uacce: implement mremap in uacce_vm_ops to return -EPERM The current uacce_vm_ops2026-02-04
GHSA
GHSA-43cv-jpm2-7rcc: In the Linux kernel, the following vulnerability has been resolved: uacce: implement mremap in uacce_vm_ops to return -EPERM The current uacce_vm_op2026-02-04

📋Vendor Advisories

8
Ubuntu
Linux kernel (HWE) vulnerabilities2026-04-17
Ubuntu
Linux kernel (NVIDIA) vulnerabilities2026-04-17
Ubuntu
Linux kernel (FIPS) vulnerabilities2026-04-17
Ubuntu
Linux kernel (Real-time) vulnerabilities2026-04-17
Ubuntu
Linux kernel vulnerabilities2026-04-16

🕵️Threat Intelligence

1
Wiz
CVE-2026-23056 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2026-23056 — Linux vulnerability | cvebase