UBUNTU-CVE-2024-45030
In the Linux kernel, the following vulnerability has been resolved: igb: cope with large MAX_SKB_FRAGS Sabrina reports that the igb driver does not cope well with large MAX_SKB_FRAG values: setting MAX_SKB_FRAG to 45 causes payload corruption on TX. An easy reproducer is to run ssh to connect to the machine. With MAX_SKB_FRAGS=17 it works, with MAX_SKB_FRAGS=45 it fails. This has been reported originally in https://bugzilla.redhat.com/show_bug.cgi?id=2265320 The root cause of the issue is that the driver does not take into account properly the (possibly large) shared info size when selecting the ring layout, and will try to fit two packets inside the same 4K page even when the 1st fraglist will trump over the 2nd head. Address the issue by checking if 2K buffers are insufficient.
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
19 explicit affected versions
6 explicit affected versions
14 explicit affected versions
10 explicit affected versions
14 explicit affected versions
7 explicit affected versions
9 explicit affected versions
13 explicit affected versions
11 explicit affected versions
35 explicit affected versions
18 explicit affected versions
14 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
18 explicit affected versions
21 explicit affected versions
16 explicit affected versions
10 explicit affected versions
16 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
14 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
9 explicit affected versions
1 explicit affected versions
37 explicit affected versions
13 explicit affected versions
7 explicit affected versions
10 explicit affected versions
26 explicit affected versions
13 explicit affected versions
29 explicit affected versions
13 explicit affected versions
8 explicit affected versions
9 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
10 explicit affected versions
26 explicit affected versions
16 explicit affected versions
7 explicit affected versions
17 explicit affected versions
13 explicit affected versions
16 explicit affected versions
16 explicit affected versions
17 explicit affected versions
3 explicit affected versions
51 explicit affected versions
14 explicit affected versions
12 explicit affected versions
27 explicit affected versions
10 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
13 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
10 explicit affected versions
12 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
37 explicit affected versions
17 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
11 explicit affected versions
8 explicit affected versions
7 explicit affected versions
4 explicit affected versions
13 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
12 explicit affected versions
14 explicit affected versions
4 explicit affected versions
11 explicit affected versions
1 explicit affected versions
10 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: igb: cope with large MAX_SKB_FRAGS Sabrina reports that the igb driver does not cope well with large MAX_SKB_FRAG values: setting MAX_SKB_FRAG to 45 causes payload corruption on TX. An easy reproducer is to run ssh to connect to the machine. With MAX_SKB_FRAGS=17 it works, with MAX_SKB_FRAGS=45 it fails. This has been reported originally in https://bugzilla.redhat.com/show_bug.cgi?id=2265320 The root cause of the issue is that the driver does not take into account properly the (possibly large) shared info size when selecting the ring layout, and will try to fit two packets inside the same 4K page even when the 1st fraglist will trump over the 2nd head. Address the issue by checking if 2K buffers are insufficient.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/8aba27c4a5020abdf60149239198297f88338a8d
- https://git.kernel.org/stable/c/8aba27c4a5020abdf60149239198297f88338a8d
- https://git.kernel.org/stable/c/8ea80ff5d8298356d28077bc30913ed37df65109
- https://git.kernel.org/stable/c/b52bd8bcb9e8ff250c79b44f9af8b15cae8911ab
- https://ubuntu.com/security/CVE-2024-45030
- https://ubuntu.com/security/notices/USN-7154-1
- https://ubuntu.com/security/notices/USN-7154-2
- https://ubuntu.com/security/notices/USN-7155-1
- https://ubuntu.com/security/notices/USN-7156-1
- https://ubuntu.com/security/notices/USN-7196-1
- https://www.cve.org/CVERecord?id=CVE-2024-45030