CVE-2024-27417: ipv6: fix potential "struct net" leak in inet6_rtm_getaddr()
First published: Fri May 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix potential "struct net" leak in inet6_rtm_getaddr() It seems that if userspace provides a correct IFA_TARGET_NETNSID value but no IFA_ADDRESS and IFA_LOCAL attributes, inet6_rtm_getaddr() returns -EINVAL with an elevated "struct net" refcount.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.4.271 | 5.4.271 |
| redhat/kernel | <5.10.212 | 5.10.212 |
| redhat/kernel | <5.15.151 | 5.15.151 |
| redhat/kernel | <6.1.81 | 6.1.81 |
| redhat/kernel | <6.6.21 | 6.6.21 |
| redhat/kernel | <6.7.9 | 6.7.9 |
| redhat/kernel | <6.8 | 6.8 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/10bfd453da64a057bcfd1a49fb6b271c48653cdb
- https://git.kernel.org/stable/c/1b0998fdd85776775d975d0024bca227597e836a
- https://git.kernel.org/stable/c/33a1b6bfef6def2068c8703403759024ce17053e
- https://git.kernel.org/stable/c/44112bc5c74e64f28f5a9127dc34066c7a09bd0f
- https://git.kernel.org/stable/c/810fa7d5e5202fcfb22720304b755f1bdfd4c174
- https://git.kernel.org/stable/c/8a54834c03c30e549c33d5da0975f3e1454ec906
- https://git.kernel.org/stable/c/9d4ffb5b9d879a75e4f7460e8b10e756b4dfb132
- https://launchpad.net/bugs/cve/CVE-2024-27417
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27417
- https://nvd.nist.gov/vuln/detail/CVE-2024-27417
- https://security-tracker.debian.org/tracker/CVE-2024-27417
- https://ubuntu.com/security/CVE-2024-27417
- https://access.redhat.com/security/cve/CVE-2024-27417
- https://lore.kernel.org/linux-cve-announce/2024051703-CVE-2024-27417-3841@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281098
- https://access.redhat.com/errata/RHSA-2024:4823
- https://access.redhat.com/errata/RHSA-2024:4831
- https://access.redhat.com/errata/RHSA-2024:5363
- https://bugzilla.redhat.com/show_bug.cgi?id=2281097
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://git.kernel.org/linus/10bfd453da64a057bcfd1a49fb6b271c48653cdb
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