CVE-2024-26753
crypto: virtio/akcipher - Fix stack overflow on memcpy
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Description
In the Linux kernel, the following vulnerability has been resolved: crypto: virtio/akcipher - Fix stack overflow on memcpy sizeof(struct virtio_crypto_akcipher_session_para) is less than sizeof(struct virtio_crypto_op_ctrl_req::u), copying more bytes from stack variable leads stack overflow. Clang reports this issue by commands: make -j CC=clang-14 mrproper >/dev/null 2>&1 make -j O=/tmp/crypto-build CC=clang-14 allmodconfig >/dev/null 2>&1 make -j O=/tmp/crypto-build W=1 CC=clang-14 drivers/crypto/virtio/ virtio_crypto_akcipher_algs.o
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/37077ed16c7793e21b005979d33f8a61565b7e86
- https://git.kernel.org/stable/c/62f361bfea60c6afc3df09c1ad4152e6507f6f47
- https://git.kernel.org/stable/c/b0365460e945e1117b47cf7329d86de752daff63
- https://git.kernel.org/stable/c/c0ec2a712daf133d9996a8a1b7ee2d4996080363
- https://git.kernel.org/stable/c/ef1e47d50324e232d2da484fe55a54274eeb9bc1
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
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