CVE-2026-89716

In the Linux kernel, the following vulnerability has been resolved: zram: validate deflate params We must validate user-supplied deflate winbits before we pass it to zlib_deflate_workspacesize(), which triggers BUG_ON() if winbits value is outside of valid ranges.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

Published

2026-09-11

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

References

• https://git.kernel.org/stable/c/923578d0f0d0703c3db61ab35dc37075ae53b0bd
• https://git.kernel.org/stable/c/e23fac4ab2a5728386477b98a402a1042b21bffb
• https://git.kernel.org/stable/c/ec7607ac4717ff521c9c1e9d8271c26293345513

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