SUSE-SU-2021:4021-1

Source
https://www.suse.com/support/update/announcement/2021/suse-su-20214021-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:4021-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2021:4021-1
Related
Published
2021-12-14T08:15:51Z
Modified
2021-12-14T08:15:51Z
Summary
Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP5)
Details

This update for the Linux Kernel 4.12.14-122_98 fixes several issues.

The following security issues were fixed:

  • CVE-2021-0941: In bpfskbchange_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation (bnc#1192045).
  • CVE-2021-20322: Make the ipv4 and ipv6 ICMP exception caches less predictive to avoid information leaks about UDP ports in use. (bsc#1191790)
  • CVE-2021-0935: In ip6xmit of ip6output.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. (bsc#1192032)
References

Affected packages

SUSE:Linux Enterprise Live Patching 12 SP5 / kgraft-patch-SLE12-SP5_Update_25

Package

Name
kgraft-patch-SLE12-SP5_Update_25
Purl
purl:rpm/suse/kgraft-patch-SLE12-SP5_Update_25&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2-2.1

Ecosystem specific

{
    "binaries": [
        {
            "kgraft-patch-4_12_14-122_98-default": "2-2.1"
        }
    ]
}