UBUNTU-CVE-2025-21997
In the Linux kernel, the following vulnerability has been resolved: xsk: fix an integer overflow in xp_create_and_assign_umem() Since the i and pool->chunk_size variables are of type 'u32', their product can wrap around and then be cast to 'u64'. This can lead to two different XDP buffers pointing to the same memory area. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
10 explicit affected versions
11 explicit affected versions
3 explicit affected versions
1 explicit affected versions
3 explicit affected versions
7 explicit affected versions
26 explicit affected versions
26 explicit affected versions
37 explicit affected versions
10 explicit affected versions
10 explicit affected versions
13 explicit affected versions
13 explicit affected versions
8 explicit affected versions
78 explicit affected versions
45 explicit affected versions
37 explicit affected versions
8 explicit affected versions
4 explicit affected versions
8 explicit affected versions
19 explicit affected versions
24 explicit affected versions
23 explicit affected versions
7 explicit affected versions
34 explicit affected versions
10 explicit affected versions
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31 explicit affected versions
16 explicit affected versions
13 explicit affected versions
4 explicit affected versions
12 explicit affected versions
5 explicit affected versions
38 explicit affected versions
51 explicit affected versions
13 explicit affected versions
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25 explicit affected versions
10 explicit affected versions
10 explicit affected versions
26 explicit affected versions
13 explicit affected versions
25 explicit affected versions
1 explicit affected versions
31 explicit affected versions
10 explicit affected versions
10 explicit affected versions
1 explicit affected versions
19 explicit affected versions
8 explicit affected versions
13 explicit affected versions
21 explicit affected versions
6 explicit affected versions
13 explicit affected versions
12 explicit affected versions
24 explicit affected versions
18 explicit affected versions
7 explicit affected versions
14 explicit affected versions
25 explicit affected versions
21 explicit affected versions
12 explicit affected versions
26 explicit affected versions
1 explicit affected versions
20 explicit affected versions
3 explicit affected versions
23 explicit affected versions
24 explicit affected versions
14 explicit affected versions
5 explicit affected versions
30 explicit affected versions
3 explicit affected versions
26 explicit affected versions
12 explicit affected versions
44 explicit affected versions
4 explicit affected versions
4 explicit affected versions
16 explicit affected versions
9 explicit affected versions
12 explicit affected versions
29 explicit affected versions
13 explicit affected versions
5 explicit affected versions
7 explicit affected versions
6 explicit affected versions
5 explicit affected versions
13 explicit affected versions
7 explicit affected versions
6 explicit affected versions
10 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
1 explicit affected versions
43 explicit affected versions
30 explicit affected versions
11 explicit affected versions
36 explicit affected versions
35 explicit affected versions
23 explicit affected versions
35 explicit affected versions
12 explicit affected versions
13 explicit affected versions
28 explicit affected versions
4 explicit affected versions
6 explicit affected versions
12 explicit affected versions
15 explicit affected versions
50 explicit affected versions
26 explicit affected versions
11 explicit affected versions
12 explicit affected versions
26 explicit affected versions
27 explicit affected versions
27 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: xsk: fix an integer overflow in xp_create_and_assign_umem() Since the i and pool->chunk_size variables are of type 'u32', their product can wrap around and then be cast to 'u64'. This can lead to two different XDP buffers pointing to the same memory area. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/559847f56769037e5b2e0474d3dbff985b98083d
- https://git.kernel.org/stable/c/130290f44bce0eead2b827302109afc3fe189ddd
- https://git.kernel.org/stable/c/205649d642a5b376724f04f3a5b3586815e43d3b
- https://git.kernel.org/stable/c/559847f56769037e5b2e0474d3dbff985b98083d
- https://git.kernel.org/stable/c/b7b4be1fa43294b50b22e812715198629806678a
- https://git.kernel.org/stable/c/c7670c197b0f1a8726ad5c87bc2bf001a1fc1bbd
- https://ubuntu.com/security/CVE-2025-21997
- https://ubuntu.com/security/notices/USN-7605-1
- https://ubuntu.com/security/notices/USN-7605-2
- https://ubuntu.com/security/notices/USN-7606-1
- https://ubuntu.com/security/notices/USN-7628-1
- https://ubuntu.com/security/notices/USN-7764-1
- https://ubuntu.com/security/notices/USN-7764-2
- https://ubuntu.com/security/notices/USN-7765-1
- https://ubuntu.com/security/notices/USN-7766-1
- https://ubuntu.com/security/notices/USN-7767-1
- https://ubuntu.com/security/notices/USN-7767-2
- https://ubuntu.com/security/notices/USN-7779-1
- https://ubuntu.com/security/notices/USN-7790-1
- https://ubuntu.com/security/notices/USN-7800-1
- https://ubuntu.com/security/notices/USN-7801-1
- https://ubuntu.com/security/notices/USN-7801-2
- https://ubuntu.com/security/notices/USN-7801-3
- https://ubuntu.com/security/notices/USN-7802-1
- https://ubuntu.com/security/notices/USN-7809-1
- https://www.cve.org/CVERecord?id=CVE-2025-21997