What is CVE-2021-47132?

CVE-2021-47132 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2024-03-15.

How severe is CVE-2021-47132?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2021-47132 known to be exploited?

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

Buffer overflow in Linux

CVE-2021-47132

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix sk_forward_memory corruption on retransmission MPTCP sk_forward_memory handling is a bit special, as such field is protected by the msk socket spin_lock, inst…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions 5.12, 5.12.10, 0
Linux Linux_kernel — versions 5.13

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

NaInSec/CVE-LIST

References

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

Frequently asked questions

What is CVE-2021-47132?: CVE-2021-47132 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2024-03-15.
How severe is CVE-2021-47132?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2021-47132 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.