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PUBLISHED

CVE-2024-26634

net: fix removing a namespace with conflicting altnames

Reserved:2024-02-19
Published:2024-03-18
Updated:2024-04-04

Description

In the Linux kernel, the following vulnerability has been resolved: net: fix removing a namespace with conflicting altnames Mark reports a BUG() when a net namespace is removed. kernel BUG at net/core/dev.c:11520! Physical interfaces moved outside of init_net get "refunded" to init_net when that namespace disappears. The main interface name may get overwritten in the process if it would have conflicted. We need to also discard all conflicting altnames. Recent fixes addressed ensuring that altnames get moved with the main interface, which surfaced this problem.

Product status

Default status
unaffected

673edcffa096 before a2232f29bf52
affected

7663d522099e before e855dded4b70
affected

7663d522099e before 8072699aa9e6
affected

7663d522099e before d09486a04f5d
affected

Default status
affected

6.6
affected

Any version before 6.6
unaffected

6.1.76
unaffected

6.6.15
unaffected

6.7.3
unaffected

6.8
unaffected

References

https://git.kernel.org/stable/c/a2232f29bf52c24f827865b3c90829c44b6c695b

https://git.kernel.org/stable/c/e855dded4b70d1975ee7b9fed0c700391e3c8ea6

https://git.kernel.org/stable/c/8072699aa9e67d1727692cfb3c347263bb627fb9

https://git.kernel.org/stable/c/d09486a04f5da0a812c26217213b89a3b1acf836

cve.org CVE-2024-26634

nvd.nist.gov CVE-2024-26634

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