CVE-2024-26753: crypto: virtio/akcipher - Fix stack overflow on memcpy
First published: Wed Apr 03 2024(Updated: )
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
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=5.10.209<5.10.212 | |
| Linux Kernel | >=5.18<6.1.80 | |
| Linux Kernel | >=6.2<6.6.19 | |
| Linux Kernel | >=6.7<6.7.7 | |
| Linux Kernel | =6.8-rc1 | |
| Linux Kernel | =6.8-rc2 | |
| Linux Kernel | =6.8-rc3 | |
| Linux Kernel | =6.8-rc4 | |
| Linux Kernel | =6.8-rc5 | |
| Debian Linux | =10.0 |
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Reference Links
- 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
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Frequently Asked Questions
What is the severity of CVE-2024-26753?
CVE-2024-26753 has been classified as a high severity vulnerability due to the potential for stack overflow.
How do I fix CVE-2024-26753?
To mitigate CVE-2024-26753, update your Linux kernel to the latest version that addresses this vulnerability.
What versions of the Linux kernel are affected by CVE-2024-26753?
CVE-2024-26753 affects various versions of the Linux kernel ranging from 5.10.209 to 6.8-rc5.
What type of vulnerability is CVE-2024-26753?
CVE-2024-26753 is a stack overflow vulnerability in the Linux kernel's crypto: virtio/akcipher module.
Can CVE-2024-26753 be exploited remotely?
Yes, CVE-2024-26753 can potentially be exploited remotely by an attacker to cause a denial of service.
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