Ubuntu Security Notice 6254-1 - Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the do_prlimit function in the Linux kernel did not properly handle speculative execution barriers. A local attacker could use this to expose sensitive information. It was discovered that a race condition existed in the btrfs file system implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information.
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Gentoo Linux Security Advisory 202307-1 - Multiple vulnerabilities have been discovered in OpenSSH, the worst of which could result in remote code execution. Versions less than 9.3_p2 are affected.
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Red Hat Security Advisory 2023-2645-01 - OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Issues addressed include a double free vulnerability.
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