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Vulnerabilities

Vulnerability · CVE-2025-40041

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The ns_bpf_qdisc selftest triggers a kernel panic:

Published Oct 28, 2025 · catalog updated Aug 5, 2026 · Linux Linux

Open the advisory

Exploitation likelihood is not on this record for CVE-2025-40041. A missing EPSS score is not a low risk. Compare Linux Linux with the linked advisory before you change production.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Not in the current FIRST EPSS dataset
Remediation
Version ranges on file
Affected products
vendor Linux Linux 6abf17d690d83d25f6d00a1a2cd3553c7d20c2d8 <8b51b11b3d81c1ed48a52f87da9256d737b723a0

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The ns_bpf_qdisc selftest triggers a kernel panic: Oops[#1]: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra == 90000000851b5aa4 CPU: 0 UID: 0 PID: 449 Comm: test_progs Tainted: G OE 6.16.0+ #3 PREEMPT(full) Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE Hardware name: QEMU QEMU Virtual Machine, BIOS unknown 2/2/2022 pc 90000000851b5ac0 ra 90000000851b5aa4 tp 90000001076b8000 sp 90000001076bb600 a0 00000000

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux 6abf17d690d83d25f6d00a1a2cd3553c7d20c2d8 <8b51b11b3d81c1ed48a52f87da9256d737b723a06abf17d690d83d25f6d00a1a2cd3553c7d20c2d8 <8b51b11b3d81c1ed48a52f87da9256d737b723a0

How to fix CVE-2025-40041

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for CVE-2025-40041. A missing EPSS score is not a low risk. Compare Linux Linux with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with Linux Linux 6abf17d690d83d25f6d00a1a2cd3553c7d20c2d8 <8b51b11b3d81c1ed48a52f87da9256d737b723a0 6abf17d690d83d25f6d00a1a2cd3553c7d20c2d8 <8b51b11b3d81c1ed48a52f87da9256d737b723a0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is absent from the current FIRST dataset. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 28, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The ns_bpf_qdisc selftest triggers a kernel panic: Oops[#1]: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra == 90000000851b5aa4 CPU: 0 UID: 0 PID: 449 Comm: test_progs Tainted: G OE 6.16.0+ #3 PREEMPT(full)

  2. Aug 5, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The ns_bpf_qdisc selftest triggers a kernel panic: Oops[#1]: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra == 90000000851b5aa4 CPU: 0 UID: 0 PID: 449 Comm: test_progs Tainted: G OE 6.16.0+ #3 PREEMPT(full)

Sources

  • CVE.orgVulnerability recordCVE-2025-40041

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-36487

    In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The ns_bpf_qdisc selftest triggers a kernel panic: Oops[#1]: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era ==

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.