CVE-2026-43304
Published: May 8, 2026
Modified: May 11, 2026
CVSS v3.1
9.8
Description
In the Linux kernel, the following vulnerability has been resolved: libceph: define and enforce CEPH_MAX_KEY_LEN When decoding the key, verify that the key material would fit into a fixed-size buffer in process_auth_done() and generally has a sane length. The new CEPH_MAX_KEY_LEN check replaces the existing check for a key with no key material which is a) not universal since CEPH_CRYPTO_NONE has to be excluded and b) doesn't provide much value since a smaller than needed key is just as invalid as no key -- this has to be handled elsewhere anyway.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected cd1a677cad994021b19665ed476aea63f5d54f31 - < 6405e8c680974bb74e2c98d5249fb52c7b12a6c6affected cd1a677cad994021b19665ed476aea63f5d54f31 - < 8d745d38c88ecbed95f6b2b39857bf89f35a3244affected cd1a677cad994021b19665ed476aea63f5d54f31 - < e1dc45d97975f9db65694d234fbddf1915176e16affected cd1a677cad994021b19665ed476aea63f5d54f31 - < 1b275bd49e58752efb83767a5d1aed41356c5e64affected cd1a677cad994021b19665ed476aea63f5d54f31 - < c1a0f5f1e5e7e98c36a362ec3d1fcfd9932931ed+2 more versions |
Linux | Linux | affected 5.11unaffected 0 - < 5.11unaffected 5.15.202 - <= 5.15.*unaffected 6.1.165 - <= 6.1.*unaffected 6.6.128 - <= 6.6.*+4 more versions |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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