CVE-2026-89606High· 7.0▾ TwilightA flaw was found in ecryptfs, a component of the Linux kernel. This vulnerability allows a remote attacker to send a specially crafted tag 70 packet with a body smaller than expected. This can lead to an integer underflow during size calcu…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 38.5 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 4.7
none → medium
— → 4.7
none → medium
— → 7.8
none → high
7.8 → 4.7
high → medium
4.7 → 7.8
medium → high
Last analysed / modified upstream
7.8 → 7
A flaw was found in ecryptfs, a component of the Linux kernel. This vulnerability allows a remote attacker to send a specially crafted tag 70 packet with a body smaller than expected. This can lead to an integer underflow during size calculation, potentially causing a denial of service (DoS) or system instability.
kernel: ecryptfs: reject too-small tag 70 packets — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-18.
Affected:
No fix planned:
Not affected:
Out of support scope
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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