SUSE-SU-2019:1889-1

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Source

Import Source

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

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

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4-10.1

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