UBUNTU-CVE-2024-35857
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>
02 / AFFECTED SOFTWARE
Affected packages
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51 explicit affected versions
10 explicit affected versions
40 explicit affected versions
2 explicit affected versions
51 explicit affected versions
7 explicit affected versions
12 explicit affected versions
37 explicit affected versions
27 explicit affected versions
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6 explicit affected versions
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13 explicit affected versions
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2 explicit affected versions
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3 explicit affected versions
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48 explicit affected versions
37 explicit affected versions
37 explicit affected versions
10 explicit affected versions
14 explicit affected versions
7 explicit affected versions
38 explicit affected versions
40 explicit affected versions
9 explicit affected versions
40 explicit affected versions
21 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
46 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
5 explicit affected versions
14 explicit affected versions
4 explicit affected versions
11 explicit affected versions
1 explicit affected versions
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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>
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/c58e88d49097bd12dfcfef4f075b43f5d5830941
- 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://ubuntu.com/security/CVE-2024-35857
- https://ubuntu.com/security/notices/USN-6898-1
- https://ubuntu.com/security/notices/USN-6898-2
- https://ubuntu.com/security/notices/USN-6898-3
- https://ubuntu.com/security/notices/USN-6898-4
- https://ubuntu.com/security/notices/USN-6917-1
- https://ubuntu.com/security/notices/USN-6919-1
- https://ubuntu.com/security/notices/USN-6927-1
- https://ubuntu.com/security/notices/USN-6949-1
- https://ubuntu.com/security/notices/USN-6949-2
- https://ubuntu.com/security/notices/USN-6952-1
- https://ubuntu.com/security/notices/USN-6952-2
- https://ubuntu.com/security/notices/USN-6955-1
- https://ubuntu.com/security/notices/USN-7019-1
- https://www.cve.org/CVERecord?id=CVE-2024-35857