Vulnerability in Linux

CVE-2024-27403

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_flow_offload: reset dst in route object after setting up flow dst is transferred to the flow object, route object does not own it anymore. Reset dst in route object, otherwise if flow_offload_add() fails, error path releases dst twice, leading to a refcount underflow.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-27403: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux — versions a3c90f7a2323b331ae816d5b0633e68148e25d04, 4.16, 0
  • Linux Kernel — versions 6.8

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-27403?
CVE-2024-27403 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2024-05-17.
How severe is CVE-2024-27403?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2024-27403 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.