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OSV
OSV
added 2026/08/18 6:08 p.m.5 views

USN-8643-1 linux, linux-aws, linux-aws-fips, linux-azure, linux-fips, linux-gcp, linux-gcp-6.8, linux-gcp-fips, linux-gkeop, linux-oracle, linux-realtime, linux-realtime-6.8, linux-xilinx vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - Open vSwitch; - SCTP protocol; CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531...

9.8CVSS6AI score0.00517EPSS
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RedhatCVE
RedhatCVE
added 2026/08/17 2:55 p.m.7 views

CVE-2026-74464

A flaw was found in the Open vSwitch OVS component of the Linux kernel. This vulnerability occurs when a packet becomes unparseable during a flow key update operation. This can lead to a memory leak, potentially allowing a remote attacker to cause a denial of service by exhausting system resource...

5.5CVSS5.4AI score0.00177EPSS
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Tenable Nessus
Tenable Nessus
added 2026/08/17 12:00 a.m.9 views

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100346)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100346 advisory. In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/setmasked payload length validateset accepted OVSKEYATTRMPLS as...

7.1CVSS4.6AI score0.00117EPSS
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OSV
OSV
added 2026/08/15 1:17 p.m.6 views

AZL-96339 CVE-2026-74465 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

7.8CVSS5.8AI score0.00126EPSS
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UbuntuCve
UbuntuCve
added 2026/08/15 1:17 p.m.11 views

CVE-2026-74464

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

5.4AI score0.00177EPSS
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OSV
OSV
added 2026/08/15 12:27 p.m.16 views

CVE-2026-74464 net: openvswitch: fix skb leak on flow key update failure during ct

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

5.5AI score
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Debian CVE
Debian CVE
added 2026/08/15 12:27 p.m.7 views

CVE-2026-74464

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

5.4AI score0.00177EPSS
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RedhatCVE
RedhatCVE
added 2026/08/11 1:26 p.m.10 views

CVE-2026-68123

A flaw was found in the Open vSwitch component of the Linux kernel. This vulnerability arises from an underflow condition when handling Generic Segmentation Offload GSO packets in userspace. A length calculation error can lead to a buffer underflow when data is processed by the skbzerocopy...

9.8CVSS5.6AI score0.00559EPSS
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RedHat Linux
RedHat Linux
added 2026/08/11 10:47 a.m.8 views

kernel: net: openvswitch: reject oversized nested action attrs

A flaw was found in Open vSwitch in the Linux kernel. Improper handling of oversized nested action attributes can lead to a truncated length field, which could be exploited by a local attacker to alter kernel memory. This alteration might result in the disclosure of sensitive information or a loc...

7.8CVSS5.4AI score0.0038EPSS
SaveExploits2References5
RedHat Linux
RedHat Linux
added 2026/08/11 10:11 a.m.18 views

kernel: net: openvswitch: reject oversized nested action attrs

A flaw was found in Open vSwitch in the Linux kernel. Improper handling of oversized nested action attributes can lead to a truncated length field, which could be exploited by a local attacker to alter kernel memory. This alteration might result in the disclosure of sensitive information or a loc...

7.8CVSS5.6AI score0.0038EPSS
SaveExploits2References5
Tenable Nessus
Tenable Nessus
added 2026/08/11 12:00 a.m.33 views

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500162)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500162 advisory. - KVM: x86: Check for invalid/obsolete root after making MMU pages available Sean Christopherson Orabug: 39832946 CVE-2026-64561 - x86/bugs: Make...

9.8CVSS7.1AI score0.00768EPSS
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NVD
NVD
added 2026/08/10 1:19 p.m.7 views

CVE-2026-68123

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix GSO userspace truncation underflow OVSACTIONATTRTRUNC currently stores a delta from the original skb length in OVSCBskb-cutlen. When a later userspace action segments a GSO skb, queuegsopackets reuses that delta...

9.8CVSS0.00559EPSS
SaveExploits0References8
EUVD
EUVD
added 2026/08/10 11:58 a.m.9 views

EUVD-2026-55504

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix GSO userspace truncation underflow OVSACTIONATTRTRUNC currently stores a delta from the original skb length in OVSCBskb-cutlen. When a later userspace action segments a GSO skb, queuegsopackets reuses that delta...

5.3AI score0.00559EPSS
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Tenable Nessus
Tenable Nessus
added 2026/08/10 12:00 a.m.7 views

Linux Distros Unpatched Vulnerability : CVE-2026-68123

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - openvswitch: fix GSO userspace truncation underflow OVSACTIONATTRTRUNC currently stores a delta from the original skb length in OVSCBskb-cutlen. When a later...

9.8CVSS6.2AI score0.00559EPSS
SaveExploits0References4
RedHat Linux
RedHat Linux
added 2026/08/07 6:53 p.m.16 views

kernel: net: openvswitch: reject oversized nested action attrs

A flaw was found in Open vSwitch in the Linux kernel. Improper handling of oversized nested action attributes can lead to a truncated length field, which could be exploited by a local attacker to alter kernel memory. This alteration might result in the disclosure of sensitive information or a loc...

7.8CVSS5.4AI score0.0038EPSS
SaveExploits2References5
RedHat Linux
RedHat Linux
added 2026/08/07 11:55 a.m.13 views

kernel: net: openvswitch: reject oversized nested action attrs

A flaw was found in Open vSwitch in the Linux kernel. Improper handling of oversized nested action attributes can lead to a truncated length field, which could be exploited by a local attacker to alter kernel memory. This alteration might result in the disclosure of sensitive information or a loc...

7.8CVSS5.7AI score0.0038EPSS
SaveExploits2References5
Microsoft CVE
Microsoft CVE
added 2026/08/07 8:16 a.m.9 views

net: openvswitch: reject oversized nested action attrs

...

7.8CVSS5.5AI score0.0038EPSS
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The Hacker News
The Hacker News
added 2026/08/05 11:43 a.m.13 views

New OVSwrap Linux Kernel Flaw Lets Local Users Gain Root via Open vSwitch

A memory corruption flaw in the Linux kernel's Open vSwitch datapath gives ordinary local users a path to root on a broad set of default-configured distributions, and a public exploit ships with pre-built records for roughly 800 kernel builds. The vulnerability, tracked asCVE-2026-64531CVSS score...

7.8CVSS5.7AI score0.0038EPSS
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Amazon
Amazon
added 2026/08/04 12:00 a.m.10 views

Important: kernel-livepatch-6.12.90-120.164

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs CVE-2026-64531 In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600...

7.8CVSS7AI score0.00467EPSS
SaveExploits10
GithubExploit
GithubExploit
added 2026/08/03 11:25 a.m.32 views

Exploit for CVE-2026-64531

ovswrap-poc CVE-2026-...

7.8CVSS5.4AI score0.0038EPSS
SaveExploits2
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