CVE-2026-22984CWE-125

CVE-2026-22984

Critical · published January 23, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
31.3
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

libceph: prevent potential out-of-bounds reads in handle_auth_done()

Perform an explicit bounds check on payload_len to avoid a possible

out-of-bounds access in the callout.

[ idryomov: changelog ]

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00385 · 31.3th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-01-23T21:15Z
Affected products (9)
ProductVersionsFixed in
linux/linux_kernel≥ 5.11, < 5.15.1985.15.198
linux/linux_kernel≥ 5.16, < 6.1.1616.1.161
linux/linux_kernel≥ 6.2, < 6.6.1216.6.121
linux/linux_kernel≥ 6.7, < 6.12.666.12.66
linux/linux_kernel≥ 6.13, < 6.18.66.18.6
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (6)
https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 23 JAN 15:24Z
    libceph: prevent potential out-of-bounds reads in handle_auth_done()
    cvelistv5