SUSE-SU-2019:1889-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2019:1889-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2019:1889-1
Related
Published
2019-07-18T12:06:21Z
Modified
2019-07-18T12:06:21Z
Summary
Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP1)
Details

This update for the Linux Kernel 4.12.14-195 fixes several issues.

The following security issues were fixed:

  • CVE-2019-11477: Jonathan Looney discovered that the TCPSKBCB(skb)->tcpgsosegs value was subject to an integer overflow when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. (bsc#1137586)
  • CVE-2019-11478: Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. (bsc#1137586)

This update contains a regression fix for CVE-2019-11477 and CVE-2019-11478 (bsc#1140747).

References

Affected packages

SUSE:Linux Enterprise Live Patching 15 SP1 / kernel-livepatch-SLE15-SP1_Update_0

Package

Name
kernel-livepatch-SLE15-SP1_Update_0
Purl
purl:rpm/suse/kernel-livepatch-SLE15-SP1_Update_0&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4-10.1

Ecosystem specific

{
    "binaries": [
        {
            "kernel-livepatch-4_12_14-195-default": "4-10.1"
        }
    ]
}