CVE-2024-50024
Published: October 23, 2024Last modified: October 23, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: net: Fix an unsafe loop on the list The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access of bad area, sig: 11 [#1] ... NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0 LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0 Call Trace: __netlink_clear_multicast_users+0x74/0xc0 genl_unregister_family+0xd4/0x2d0 Change the unsafe loop on the list to a safe one, because inside the loop there is an element removal from this list.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.114-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/1cdec792b2450105b1314c5123a9a0452cb2c2f0
- https://git.kernel.org/stable/c/1dae9f1187189bc09ff6d25ca97ead711f7e26f9
- https://git.kernel.org/stable/c/3be342e0332a7c83eb26fbb22bf156fdca467a5d
- https://git.kernel.org/stable/c/464801a0f6ccb52b21faa33bac6014fd74cc5e10
- https://git.kernel.org/stable/c/49f9b726bf2bf3dd2caf0d27cadf4bc1ccf7a7dd
- https://git.kernel.org/stable/c/5f03a7f601f33cda1f710611625235dc86fd8a9e
- https://git.kernel.org/stable/c/68ad5da6ca630a276f0a5c924179e57724d00013
- https://git.kernel.org/stable/c/8e0766fcf37ad8eed289dd3853628dd9b01b58b0