CVE-2024-26753
Published: April 4, 2024Last modified: April 4, 2024
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
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.81-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
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
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html