CVE-2024-50024

net: Fix an unsafe loop on the list

EPSS 0.3%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

21 Oct 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Linux · Linux

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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 https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html