Linux suffers from an io_uring use-after-free vulnerability due to broken unix GC interaction.
f69e0977a025727662a99855b4620c72daf61a181fc942af121b5a2aba667456Ubuntu Security Notice 5752-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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 execute arbitrary code. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.
05aa0cd46145a27b1c0c31ef2c85839a398ff8a121c80b0e6376868c17e8e519David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem in the Linux kernel, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues were also addressed.
c8b54fe7071577436d5dc780fd7a8a538a0ac9493dd4e3362ddd475aa5896c8cUbuntu Security Notice 5700-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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 execute arbitrary code. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.
0616f23cc8d31e59366551307b7cb748d2fd1d2a034df03ec9337c439f4db07fUbuntu Security Notice 5692-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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 execute arbitrary code. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.
338493434a5be8c82f48711bc041582c907cf71deac0cac516932ba12962a7c5Ubuntu Security Notice 5691-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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 execute arbitrary code. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.
b0d11c2875faf5dc0eba66e1a8fa7047568fc779aa888e03ead6fda5bf33cc46Ubuntu Security Notice 5693-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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 execute arbitrary code. Duoming Zhou discovered that race conditions existed in the timer handling implementation of the Linux kernel's Rose X.25 protocol layer, resulting in use-after-free vulnerabilities. A local attacker could use this to cause a denial of service.
b188fde6f7ada8ed2d80d51cefde2cc926159548905b92f8f3334d7b98c585e1Debian Linux Security Advisory 5257-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
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