CVE-2024-35982
CVSS 3.1 Score 5.5 of 10 (medium)
Details
Summary
CVE-2024-35982: In the Linux kernel, a vulnerability affecting the batman-adv network driver has been identified. This issue arises when the local translation table (TT) needs to be resized due to a reduced maximum fragment MTU, but the available space is insufficient to accommodate both the header and VLAN specific part. This can lead to an endless loop of attempts to purge local TT entries and a stagnant timeout, preventing the table from being reduced further. Scenarios involving insufficient space for non-purgable local MAC addresses can also cause this issue. Although some of these situations can be prevented proactively, others cannot due to batman-adv's passive event consumption. The code must be able to handle incompatible system configurations when such scenarios arise.
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