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🛡️ SUSE-SU-2021:3459-1 — kgraft-patch-sle12-sp3-update-36 (CVE-2021-3715 +3 more)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)

This update for the Linux Kernel 4.4.180-94_141 fixes several issues.

The following security issues were fixed:

  • CVE-2021-3715: Fixed a user-after-free in the Linux kernel's Traffic Control networking subsystem which could lead to local privilege escalation. (bsc#1190350).
  • CVE-2021-38160: Fixed a bug that could lead to a data corruption or loss. This can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190118)
  • CVE-2021-3640: Fixed a user-after-free bug in the function sco_sock_sendmsg which could lead to local privilege escalation. (bsc#1188613)
  • CVE-2021-3573: Fixed a user-after-free bug in the function hci_sock_bound_ioctl which could lead to local privilege escalation. (bsc#1187054).

Affected software

SUSE-SU-2021:3459-1 is recorded against 5 packages.

  • kgraft-patch-sle12-sp3-update-36 (fixed in 13-2.2)
  • kgraft-patch-sle12-sp3-update-37 (fixed in 11-2.2)
  • kgraft-patch-sle12-sp3-update-38 (fixed in 10-2.2)
  • kgraft-patch-sle12-sp3-update-39 (fixed in 7-2.1)
  • kgraft-patch-sle12-sp3-update-40 (fixed in 4-2.1)

Timeline and source

Published on 18 October 2021 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.suse.com (Advisory)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2021-10-18
Updated 2026-08-20
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
kgraft-patch-sle12-sp3-update-36 — 13-2.2
kgraft-patch-sle12-sp3-update-37 — 11-2.2
kgraft-patch-sle12-sp3-update-38 — 10-2.2
kgraft-patch-sle12-sp3-update-39 — 7-2.1
kgraft-patch-sle12-sp3-update-40 — 4-2.1

Similar Threats

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