CVE-2022-49389

CVE-2022-49389 concerns a refcount leak in the Linux kernel USB/IP path. The issue arises because usb_get_dev() is called in stub_device_alloc(), and if stub_probe() fails afterward, the reference must be released with usb_put_dev(). The fix moves usb_put_dev() to the sdev_free error path, ensuri...

CVE-2026-46174

In CVE-2026-46174, the Linux kernel vulnerability affects x86/CPU/AMD Zen2 by allowing improper isolation of shared resources in the Zen2 op cache, potentially leading to instruction corruption. The issue has been resolved in the Linux kernel, with Debian and Root packaging advisories noting fixe...

CVE-2026-31628

CVE-2026-31628 concerns the Linux kernel on Zen1 CPUs, where the x86/CPU FPDSS issue could allow a local attacker to leak partial results from prior operations via the hardware divider. Patches fix the vulnerability by applying a kernel change (the “chicken bit”) to prevent leakage. Connected adv...