CVE-2024-35857: icmp: prevent possible NULL dereferences from icmp_build_probe()
First published: Fri May 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: icmp: prevent possible NULL dereferences from icmp_build_probe() First problem is a double call to __in_dev_get_rcu(), because the second one could return NULL. if (__in_dev_get_rcu(dev) && __in_dev_get_rcu(dev)->ifa_list) Second problem is a read from dev->ip6_ptr with no NULL check: if (!list_empty(&rcu_dereference(dev->ip6_ptr)->addr_list)) Use the correct RCU API to fix these. v2: add missing include <net/addrconf.h>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.15.158 | 5.15.158 |
| redhat/kernel | <6.1.90 | 6.1.90 |
| redhat/kernel | <6.6.30 | 6.6.30 |
| redhat/kernel | <6.8.9 | 6.8.9 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.9-1 6.11.10-1 |
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Reference Links
- https://git.kernel.org/stable/c/23b7ee4a8d559bf38eac7ce5bb2f6ebf76f9c401
- https://git.kernel.org/stable/c/3e2979bf080c40da4f7c93aff8575ab8bc62b767
- https://git.kernel.org/stable/c/599c9ad5e1d43f5c12d869f5fd406ba5d8c55270
- https://git.kernel.org/stable/c/c58e88d49097bd12dfcfef4f075b43f5d5830941
- https://git.kernel.org/stable/c/d68dc711d84fdcf698e5d45308c3ddeede586350
- https://launchpad.net/bugs/cve/CVE-2024-35857
- https://access.redhat.com/security/cve/CVE-2024-35857
- https://lore.kernel.org/linux-cve-announce/2024051741-CVE-2024-35857-837c@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281248
- https://access.redhat.com/errata/RHSA-2024:4533
- https://access.redhat.com/errata/RHSA-2024:4554
- https://access.redhat.com/errata/RHSA-2024:4928
- https://bugzilla.redhat.com/show_bug.cgi?id=2281247
- https://git.kernel.org/linus/c58e88d49097bd12dfcfef4f075b43f5d5830941
- https://security-tracker.debian.org/tracker/CVE-2024-35857
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35857
- https://nvd.nist.gov/vuln/detail/CVE-2024-35857
- https://ubuntu.com/security/CVE-2024-35857
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