vulnerability
Ubuntu: (Multiple Advisories) (CVE-2019-11477): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Jun 17, 2019 | Jun 18, 2019 | Aug 18, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jun 17, 2019
Added
Jun 18, 2019
Modified
Aug 18, 2025
Description
Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.
Solutions
ubuntu-upgrade-linux-image-3-13-0-171-genericubuntu-upgrade-linux-image-3-13-0-171-generic-lpaeubuntu-upgrade-linux-image-3-13-0-171-lowlatencyubuntu-upgrade-linux-image-3-2-0-141-genericubuntu-upgrade-linux-image-4-15-0-1015-oracleubuntu-upgrade-linux-image-4-15-0-1034-gcpubuntu-upgrade-linux-image-4-15-0-1036-kvmubuntu-upgrade-linux-image-4-15-0-1038-raspi2ubuntu-upgrade-linux-image-4-15-0-1041-awsubuntu-upgrade-linux-image-4-15-0-1043-oemubuntu-upgrade-linux-image-4-15-0-1047-azureubuntu-upgrade-linux-image-4-15-0-1055-snapdragonubuntu-upgrade-linux-image-4-15-0-52-genericubuntu-upgrade-linux-image-4-15-0-52-generic-lpaeubuntu-upgrade-linux-image-4-15-0-52-lowlatencyubuntu-upgrade-linux-image-4-18-0-1013-gcpubuntu-upgrade-linux-image-4-18-0-1014-kvmubuntu-upgrade-linux-image-4-18-0-1016-raspi2ubuntu-upgrade-linux-image-4-18-0-1018-awsubuntu-upgrade-linux-image-4-18-0-1020-azureubuntu-upgrade-linux-image-4-18-0-22-genericubuntu-upgrade-linux-image-4-18-0-22-generic-lpaeubuntu-upgrade-linux-image-4-18-0-22-lowlatencyubuntu-upgrade-linux-image-4-18-0-22-snapdragonubuntu-upgrade-linux-image-4-4-0-1046-awsubuntu-upgrade-linux-image-4-4-0-1048-kvmubuntu-upgrade-linux-image-4-4-0-1085-awsubuntu-upgrade-linux-image-4-4-0-1111-raspi2ubuntu-upgrade-linux-image-4-4-0-1115-snapdragonubuntu-upgrade-linux-image-4-4-0-151-genericubuntu-upgrade-linux-image-4-4-0-151-generic-lpaeubuntu-upgrade-linux-image-4-4-0-151-lowlatencyubuntu-upgrade-linux-image-4-4-0-151-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-151-powerpc-smpubuntu-upgrade-linux-image-4-4-0-151-powerpc64-embubuntu-upgrade-linux-image-4-4-0-151-powerpc64-smpubuntu-upgrade-linux-image-5-0-0-1008-awsubuntu-upgrade-linux-image-5-0-0-1008-gcpubuntu-upgrade-linux-image-5-0-0-1008-kvmubuntu-upgrade-linux-image-5-0-0-1010-raspi2ubuntu-upgrade-linux-image-5-0-0-1014-snapdragonubuntu-upgrade-linux-image-5-0-0-17-genericubuntu-upgrade-linux-image-5-0-0-17-generic-lpaeubuntu-upgrade-linux-image-5-0-0-17-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-lts-trustyubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-trustyubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-hwe-18-04
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