What is CVE-2021-47126?

CVE-2021-47126 is a medium-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2024-03-15.

How severe is CVE-2021-47126?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-47126 known to be exploited?

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

Out-of-bounds Read in Linux

CVE-2021-47126

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions Reported by syzbot: HEAD commit: 90c911ad Merge tag 'fixes' of git://git.kernel.org/pub/scm.. git…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (14.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions f88d8ea67fbdbac7a64bfa6ed9a2ba27bb822f74, 5.3, 0
Linux Linux_kernel — versions 5.13

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

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-2021-47126?: CVE-2021-47126 is a medium-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2024-03-15.
How severe is CVE-2021-47126?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-47126 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.