Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix memory leak of struct clip_vcc. ioctl(ATMARP_MKIP) allocates struct clip_vcc and set it to vcc->user_back. The code assumes that vcc_destroy_socket() passes NULL skb to vcc->push() when the socket is close()d, and then clip_push() frees clip_vcc. However, ioctl(ATMARPD_CTRL) sets NULL to vcc->push() in atm_init_atmarp(), resulting in memory leak. Let's serialise two ioctl() by lock_sock() and check vcc->push() in atm_init_atmarp() to prevent memleak.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 2fb37ab3226606cbfc9b2b6f9e301b0b735734c5; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 9e4dbeee56f614e3f1e166e5d0655a999ea185ef; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 1c075e88d5859a2c6b43b27e0e46fb281cef8039; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 0c17ff462d98c997d707ee5cf4e4a9b1b52b9d90; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 1fb9fb5a4b5cec2d56e26525ef8c519de858fa60; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 9f771816f14da6d6157a8c30069091abf6b566fb; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before cb2e4a2f8f268d8fba6662f663a2e57846f14a8d; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 62dba28275a9a3104d4e33595c7b3328d4032d8d |
| Linux / Linux | affected 2.6.12; unaffected 0 before 2.6.12; unaffected 5.4.296 through 5.4.*; unaffected 5.10.240 through 5.10.*; unaffected 5.15.189 through 5.15.*; unaffected 6.1.146 through 6.1.*; unaffected 6.6.99 through 6.6.*; unaffected 6.12.39 through 6.12.*; unaffected 6.15.7 through 6.15.*; unaffected 6.16 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/2fb37ab3226606cbfc9b2b6f9e301b0b735734c5
- https://git.kernel.org/stable/c/9e4dbeee56f614e3f1e166e5d0655a999ea185ef
- https://git.kernel.org/stable/c/1c075e88d5859a2c6b43b27e0e46fb281cef8039
- https://git.kernel.org/stable/c/0c17ff462d98c997d707ee5cf4e4a9b1b52b9d90
- https://git.kernel.org/stable/c/1fb9fb5a4b5cec2d56e26525ef8c519de858fa60
- https://git.kernel.org/stable/c/9f771816f14da6d6157a8c30069091abf6b566fb
- https://git.kernel.org/stable/c/cb2e4a2f8f268d8fba6662f663a2e57846f14a8d
- https://git.kernel.org/stable/c/62dba28275a9a3104d4e33595c7b3328d4032d8d
ADP enrichment
No English description supplied.