CVE-2025-21885 — Improper Input Validation in Linux

CWE-20 — Improper Input ValidationCWE-122 — Heap-based Buffer Overflow41 documents7 sources
Severity
5.5MEDIUMNVD
OSV4.7
EPSS
0.0%
top 85.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
20
LinuxLinux KernelDebian Linux+17 more
Timeline
PublishedMar 27
Latest updateOct 15

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers While using nvme target with use_srq on, below kernel panic is noticed. [ 549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg off encoding: Clause 91 RS(544,514) [ 566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI .. [ 566.393799] [ 566.393807] ? __die_body+0x1a/0x60 [ 566.393823] ? die+0x38/0x60 [ 566.393835] ? do_trap+0xe4/0x110 [ 566.…

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 Packages22 packages

▶NVDlinux/linux_kernel5.7 — 6.12.18+2
▶Debianlinux/linux_kernel< 6.12.19-1+1
▶Ubuntulinux/linux_kernel< 6.8.0-84.84

Patches

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

🔴Vulnerability Details

19
OSV
linux-oracle-6.8 vulnerabilities↗2025-10-15
▶
OSV
linux-azure-nvidia vulnerabilities↗2025-10-08
▶
OSV
linux-oracle vulnerabilities↗2025-10-06
▶
OSV
linux-azure, linux-azure-6.8 vulnerabilities↗2025-10-02
▶
OSV
linux-raspi-realtime vulnerabilities↗2025-10-02
▶

📋Vendor Advisories

21
Ubuntu
Linux kernel (Oracle) vulnerabilities↗2025-10-15
▶
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities↗2025-10-08
▶
Ubuntu
Linux kernel (Oracle) vulnerabilities↗2025-10-06
▶
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities↗2025-10-02
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2025-10-02
▶