CVE-2026-89717

A flaw was found in the zram component of the Linux kernel. When zramdestroycomps is called, it incorrectly resets the primary compressor to a NULL state. This invalid state can lead to a NULL pointer dereference when compalgorithmshow attempts to access the compressor, potentially causing system...

UBUNTU-CVE-2026-89717

In the Linux kernel, the following vulnerability has been resolved: zram: set default primary compressor in zramdestroycomps Patch series "zram: fix zram issues reported by sashiko". Sashiko drove by and reported 1 a couple of zram issues: a possible BUGON in zlib code due to missing winbits rang...

CVE-2026-89717 zram: set default primary compressor in zram_destroy_comps()

In the Linux kernel, the following vulnerability has been resolved: zram: set default primary compressor in zramdestroycomps Patch series "zram: fix zram issues reported by sashiko". Sashiko drove by and reported 1 a couple of zram issues: a possible BUGON in zlib code due to missing winbits rang...

CVE-2026-89717

In the Linux kernel, the following vulnerability has been resolved: zram: set default primary compressor in zramdestroycomps Patch series "zram: fix zram issues reported by sashiko". Sashiko drove by and reported 1 a couple of zram issues: a possible BUGON in zlib code due to missing winbits rang...

PT-2026-90433

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the zram module where the zram destroy comps function resets all compressors to NULL, including the primary one. This creates an invalid device state because the strcm...