UBUNTU-CVE-2024-56729
In the Linux kernel, the following vulnerability has been resolved: smb: Initialize cfid->tcon before performing network ops Avoid leaking a tcon ref when a lease break races with opening the cached directory. Processing the leak break might take a reference to the tcon in cached_dir_lease_break() and then fail to release the ref in cached_dir_offload_close, since cfid->tcon is still NULL.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
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16 explicit affected versions
13 explicit affected versions
8 explicit affected versions
43 explicit affected versions
51 explicit affected versions
12 explicit affected versions
1 explicit affected versions
13 explicit affected versions
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11 explicit affected versions
7 explicit affected versions
16 explicit affected versions
10 explicit affected versions
10 explicit affected versions
12 explicit affected versions
19 explicit affected versions
6 explicit affected versions
21 explicit affected versions
86 explicit affected versions
18 explicit affected versions
21 explicit affected versions
12 explicit affected versions
19 explicit affected versions
7 explicit affected versions
16 explicit affected versions
13 explicit affected versions
35 explicit affected versions
18 explicit affected versions
42 explicit affected versions
64 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
26 explicit affected versions
1 explicit affected versions
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22 explicit affected versions
7 explicit affected versions
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1 explicit affected versions
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1 explicit affected versions
7 explicit affected versions
2 explicit affected versions
10 explicit affected versions
37 explicit affected versions
1 explicit affected versions
13 explicit affected versions
14 explicit affected versions
10 explicit affected versions
16 explicit affected versions
10 explicit affected versions
26 explicit affected versions
13 explicit affected versions
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13 explicit affected versions
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23 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
1 explicit affected versions
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12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
26 explicit affected versions
20 explicit affected versions
1 explicit affected versions
11 explicit affected versions
13 explicit affected versions
21 explicit affected versions
16 explicit affected versions
24 explicit affected versions
3 explicit affected versions
1 explicit affected versions
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20 explicit affected versions
12 explicit affected versions
71 explicit affected versions
10 explicit affected versions
27 explicit affected versions
17 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
20 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
2 explicit affected versions
4 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
25 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
11 explicit affected versions
15 explicit affected versions
7 explicit affected versions
10 explicit affected versions
8 explicit affected versions
19 explicit affected versions
14 explicit affected versions
78 explicit affected versions
11 explicit affected versions
1 explicit affected versions
14 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: smb: Initialize cfid->tcon before performing network ops Avoid leaking a tcon ref when a lease break races with opening the cached directory. Processing the leak break might take a reference to the tcon in cached_dir_lease_break() and then fail to release the ref in cached_dir_offload_close, since cfid->tcon is still NULL.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/c353ee4fb119a2582d0e011f66a76a38f5cf984d
- https://git.kernel.org/stable/c/1b9ab6b648f89441c8a13cb3fd8ca83ffebc5262
- https://git.kernel.org/stable/c/4b216c8f9c7d84ef7de33ca60b97e08e03ef3292
- https://git.kernel.org/stable/c/625e2357c8fcfae6e66dcc667dc656fe390bab15
- https://git.kernel.org/stable/c/c353ee4fb119a2582d0e011f66a76a38f5cf984d
- https://ubuntu.com/security/CVE-2024-56729
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://ubuntu.com/security/notices/USN-7449-1
- https://ubuntu.com/security/notices/USN-7449-2
- https://ubuntu.com/security/notices/USN-7450-1
- https://ubuntu.com/security/notices/USN-7451-1
- https://ubuntu.com/security/notices/USN-7452-1
- https://ubuntu.com/security/notices/USN-7453-1
- https://ubuntu.com/security/notices/USN-7468-1
- https://ubuntu.com/security/notices/USN-7523-1
- https://ubuntu.com/security/notices/USN-7524-1
- https://www.cve.org/CVERecord?id=CVE-2024-56729