What is CVE-2021-47129?

CVE-2021-47129 is a medium-severity vulnerability in Linux, classified under Improper Check for Dropped Privileges. CVSS score: 4.6/10. Published 2024-03-15.

How severe is CVE-2021-47129?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Is CVE-2021-47129 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2021-47129

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: skip expectations for confirmed conntrack nft_ct_expect_obj_eval() calls nf_ct_ext_add() for a confirmed conntrack entry. However, nf_ct_ext_add() can…

EPSS: 0.005 (41.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Linux — versions 857b46027d6f91150797295752581b7155b9d0e1, 5.3, 0
Linux Linux_kernel — versions 5.13

Weakness classification (CWE)

CWE-273 — Improper Check for Dropped Privileges

Public proof-of-concept exploits

NaInSec/CVE-LIST

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2021-47129?: CVE-2021-47129 is a medium-severity vulnerability in Linux, classified under Improper Check for Dropped Privileges. CVSS score: 4.6/10. Published 2024-03-15.
How severe is CVE-2021-47129?: Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2021-47129 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.