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CVE-2024-27395

Status Candidate

Overview

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Fix Use-After-Free in ovs_ct_exit Since kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal of ovs_ct_limit_exit, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.

Related Files

Ubuntu Security Notice USN-6949-2
Posted Aug 14, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6949-2 - Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2023-52882, CVE-2024-27394, CVE-2024-27395, CVE-2024-27398, CVE-2024-27401, CVE-2024-35846, CVE-2024-35847, CVE-2024-35850, CVE-2024-35852, CVE-2024-35854, CVE-2024-35856, CVE-2024-35858, CVE-2024-35859, CVE-2024-35949
SHA-256 | cd80fe22658722af52da15543cf446c4bb8a4031831b20aed105f0e174f6fe35
Ubuntu Security Notice USN-6952-2
Posted Aug 14, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6952-2 - Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious #VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to expose sensitive information or possibly execute arbitrary code in the trusted execution environment. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-52882, CVE-2024-25742, CVE-2024-27394, CVE-2024-27395, CVE-2024-27396, CVE-2024-27401, CVE-2024-35846, CVE-2024-35847, CVE-2024-35849, CVE-2024-35852, CVE-2024-35853, CVE-2024-35855, CVE-2024-35857, CVE-2024-35858
SHA-256 | 2ec5b9718d9b9c02dfbc17231e580ae35883ce5fe7b5f347d0827492d4006ee2
Ubuntu Security Notice USN-6952-1
Posted Aug 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6952-1 - Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious #VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to expose sensitive information or possibly execute arbitrary code in the trusted execution environment. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-52882, CVE-2024-25742, CVE-2024-27394, CVE-2024-27395, CVE-2024-27396, CVE-2024-27401, CVE-2024-35846, CVE-2024-35847, CVE-2024-35849, CVE-2024-35852, CVE-2024-35853, CVE-2024-35855, CVE-2024-35857, CVE-2024-35858
SHA-256 | 4096317c1a9bde967a3c305817802b1b430dad31a7749285f4b9eebbdce233f9
Ubuntu Security Notice USN-6949-1
Posted Aug 9, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6949-1 - Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2023-52882, CVE-2024-27394, CVE-2024-27395, CVE-2024-27398, CVE-2024-27401, CVE-2024-35846, CVE-2024-35847, CVE-2024-35850, CVE-2024-35852, CVE-2024-35854, CVE-2024-35856, CVE-2024-35858, CVE-2024-35859, CVE-2024-35949
SHA-256 | 321410c5b4251ead308a6d0e8e636928b98e29f0e76f8570af6ff7cec4a63b09
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