SUSE CVE-2019-11479

Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced. A remote attacker could use this to cause a denial of service. This has been fixed in stable kerne...

Fedora 32 : kernel (2021-8953a0780d)

The remote Fedora 32 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2021-8953a0780d advisory. - The 5.11.12 stable kernel update contains a number of important fixes across the tree. FEDORA-2021-8953a0780d Note that Nessus has not tested for this issu...

Fedora 31 : kernel (2020-ad980d282f)

This update contains patches for the BleedingTooth CVEs. ---- The 5.8.15 stable kernel update contains a number of important fixes across the tree. ---- The 5.8.14 stable kernel update contains a number of important fixes across the tree. Note that Tenable Network Security has extracted the...

Fedora 31 : kernel / kernel-headers / kernel-tools (2020-666f3b1ac3)

The 5.5.15 stable kernel update contains a number of important fixes across the tree. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible...

F5 Networks BIG-IP : Linux SACK Slowness vulnerability (K26618426)

Jonathan Looney discovered that the TCP retransmission queue implementation in tcpfragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment SACK sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel...

Fedora 29 : kernel / kernel-headers / kernel-tools (2019-97380355ae)

The 5.2.11 stable kernel update contains a number of important fixes across the tree. ---- The 5.2.10 stable kernel update contains a number of important fixes across the tree. ---- The 5.2.9 stable kernel update contains a number of important fixes across the tree. ---- The 5.2.8 stable kernel...

Fedora 30 : kernel / kernel-headers / kernel-tools (2019-a7f551b8c9)

The 5.2.6 stable kernel update contains a number of important fixes across the tree. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible...

CVE-2019-11477

Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs 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,...

Integer overflow

Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs 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,...

CVE-2019-11477

Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs 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,...

CVE-2019-11477 Integer overflow in TCP_SKB_CB(skb)->tcp_gso_segs

Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs 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,...

Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2019-4689)

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4689 advisory. - tcp: enforce tcpminsndmss in tcpmtuprobing Eric Dumazet Orabug: 29886601 CVE-2019-11477 - tcp: add tcpminsndmss sysctl Eric Dumazet Orabug:...

CVE-2019-11478

Jonathan Looney discovered that the TCP retransmission queue implementation in tcpfragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment SACK sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel...

CVE-2019-11479

Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced. A remote attacker could use this to cause a denial of service. This has been fixed in stable kerne...

Fedora 28 : kernel / kernel-headers / kernel-tools (2019-16de0047d4)

The 4.20.11 stable kernel update contains a number of important fixes across the tree. ---- The 4.20.10 stable kernel update contains a number of important fixes across the tree. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update syste...

Fedora 27 : kernel (2018-22d5fa8a90)

The 4.14.11 stable kernel update contains a number of important fixes across the tree. This also includes the KPTI patches to mitigate the Meltdown vulnerability for x86 architectures. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update...

Fedora 26 : kernel (2017-6764d16965)

The 4.12.11 stable kernel update contains a number of important fixes across the tree. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible...

Fedora 24 : kernel (2017-502cf68d68)

The 4.10.9 stable kernel update contains a number of important fixes across the tree. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible...

Fedora 24 : kernel (2016-e5b72816d0)

The 4.8.14 stable kernel update contains a number of important fixes across the tree. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible...

Fedora 17 : kernel-3.7.9-101.fc17 (2013-2597)

Upstream stable kernel 3.7.9 contains a number of bug fixes across the tree, as well as important security fixes. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it...