CVE-2026-43304 | 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 smal
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.
- 🔗 git.kernel.org/stable/c/6405e8c680974bb74e2c98d5249fb52c…
- 🔗 git.kernel.org/stable/c/8d745d38c88ecbed95f6b2b39857bf89…
- 🔗 git.kernel.org/stable/c/e1dc45d97975f9db65694d234fbddf19…
- 🔗 git.kernel.org/stable/c/1b275bd49e58752efb83767a5d1aed41…
- 🔗 git.kernel.org/stable/c/c1a0f5f1e5e7e98c36a362ec3d1fcfd9…
- 🔗 git.kernel.org/stable/c/d82467c07b03a27c3c5469b62bb3b726…
- 🔗 git.kernel.org/stable/c/ac431d597a9bdfc2ba6b314813f29a6e…
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CVE-2026-43304 | 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 smal
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 h
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