CVE-2026-46089None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: zram: do not forget to endio for partial discard requests As reported by Qu Wenruo and Avinesh Kumar, the following getconf PAGESIZE 65536 blkdiscard -p 4k /dev/zr…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
zram: do not forget to endio for partial discard requests
As reported by Qu Wenruo and Avinesh Kumar, the following
getconf PAGESIZE 65536 blkdiscard -p 4k /dev/zram0
takes literally forever to complete. zram doesn't support partial discards and just returns immediately w/o doing any discard work in such cases. The problem is that we forget to endio on our way out, so blkdiscard sleeps forever in submit_bio_wait(). Fix this by jumping to end_bio label, which does bio_endio().
Linux >= 0120dd6e4e202e19a0e011e486fb2da40a5ea279 < 2d1f18efccdb8b29552399d024c36b705447e975Linux >= 0120dd6e4e202e19a0e011e486fb2da40a5ea279 < 35d3300f6357cfaa72db2721dc2b345b19bac5dfLinux >= 0120dd6e4e202e19a0e011e486fb2da40a5ea279 < a02363f71a79b755daa78a70d6b217f9c13c8c85Linux >= 0120dd6e4e202e19a0e011e486fb2da40a5ea279 < 68ce397e8236088fc53b9532d383a722288c8194Linux >= 0120dd6e4e202e19a0e011e486fb2da40a5ea279 < e3668b371329ea036ff022ce8ecc82f8befcf003Linux 6.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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