7.3

CVE-2026-45932: linux

CVSS: 7.3v3.1HighUndergoing analysis
AliasesUBUNTU-CVE-2026-45932DEBIAN-CVE-2026-45932CGA-3mfv-49v2-v332
Published 27-05-2026Last modified 21-10-2026

Vulnerability summary

CVE-2026-45932 is a high (CVSS 7.3) vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.3% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 13

Timeline

  1. 27-05-2026
    PublishedVulnerability first disclosed.
  2. 21-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix tcx/netkit detach permissions when prog fd isn't given This commit fixes a security issue where BPF_PROG_DETACH on tcx or netkit devices could be executed by any user when no program fd was provided, bypassing permission checks. The fix adds a capability check for CAP_NET_ADMIN or CAP_SYS_ADMIN in this case.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

+0.05 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu132 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Chainguard5 products
  • linux-aws-6.12All versions (No fix recorded)
  • linux-azure-6.12All versions (No fix recorded)
  • linux-gcp-6.12All versions (No fix recorded)
  • linux-qemu-6.12All versions (No fix recorded)
  • linux-vmware-6.12All versions (No fix recorded)
Linux2 products
  • linux≥ e420bed025071a623d2720a92bc2245c84757ecb, < 8e1623e7d61faf16cbadc80550da874303611ff5 | ≥ e420bed025071a623d2720a92bc2245c84757ecb, < 0c249f523175963b0a746bba673ecebdf6cefd86 | ≥ e420bed025071a623d2720a92bc2245c84757ecb, < 4e0772cded109c238411f2fac36ac39302758b81 | ≥ e420bed025071a623d2720a92bc2245c84757ecb, < 3f04cc1e5374da4c5e791ae010a06cfea7bacbe6 | ≥ e420bed025071a623d2720a92bc2245c84757ecb, < ae23bc81ddf7c17b663c4ed1b21e35527b0a7131 | 6.6
  • linux_kernel≥ 6.6, < 6.18.14 | ≥ 6.19, < 6.19.4
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.18.14-1

4 vendors · 140 products

References

13 links
Show all 13 references