PT-2021-1528

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.10.160 Description The issue is related to a use-after-free vulnerability in the Linux kernel through io uring and the IORING OP SPLICE operation. If IORING OP SPLICE is missing the IO WQ WORK FILES flag, which...

PT-2021-7854 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.6 through 5.11 Description: A time-of-check to time-of-use issue exists in the io uring subsystem's IORING OP CLOSE operation, allowing a local user to elevate their privileges to root. This issue is related to...

PT-2020-5340

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.9.3 Description The issue is related to the io uring function in the Linux kernel, which is associated with errors in privilege assignment. Exploitation of this issue may allow an attacker to elevate their...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4284-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4284-1 advisory. It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacke...

PT-2019-4661 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.4.2 Description: The issue is related to the io uring feature in the Linux kernel, which can lead to requests being executed with UID 0 and full capabilities, even when initiated by an unprivileged user. This...