UBUNTU-CVE-2023-52593
In the Linux kernel, the following vulnerability has been resolved: wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap() Since 'ieee80211_beacon_get()' can return NULL, 'wfx_set_mfp_ap()' should check the return value before examining skb data. So convert the latter to return an appropriate error code and propagate it to return from 'wfx_start_ap()' as well. Compile tested only.
02 / AFFECTED SOFTWARE
Affected packages
7 explicit affected versions
73 explicit affected versions
50 explicit affected versions
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12 explicit affected versions
16 explicit affected versions
6 explicit affected versions
83 explicit affected versions
68 explicit affected versions
68 explicit affected versions
74 explicit affected versions
63 explicit affected versions
7 explicit affected versions
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9 explicit affected versions
35 explicit affected versions
35 explicit affected versions
33 explicit affected versions
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64 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
21 explicit affected versions
9 explicit affected versions
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10 explicit affected versions
7 explicit affected versions
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12 explicit affected versions
10 explicit affected versions
1 explicit affected versions
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12 explicit affected versions
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10 explicit affected versions
37 explicit affected versions
9 explicit affected versions
10 explicit affected versions
50 explicit affected versions
26 explicit affected versions
13 explicit affected versions
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29 explicit affected versions
13 explicit affected versions
80 explicit affected versions
75 explicit affected versions
38 explicit affected versions
33 explicit affected versions
23 explicit affected versions
44 explicit affected versions
10 explicit affected versions
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12 explicit affected versions
7 explicit affected versions
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60 explicit affected versions
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10 explicit affected versions
26 explicit affected versions
1 explicit affected versions
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13 explicit affected versions
16 explicit affected versions
76 explicit affected versions
3 explicit affected versions
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1 explicit affected versions
12 explicit affected versions
63 explicit affected versions
63 explicit affected versions
25 explicit affected versions
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8 explicit affected versions
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8 explicit affected versions
10 explicit affected versions
9 explicit affected versions
13 explicit affected versions
7 explicit affected versions
10 explicit affected versions
12 explicit affected versions
23 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
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
11 explicit affected versions
76 explicit affected versions
8 explicit affected versions
7 explicit affected versions
4 explicit affected versions
65 explicit affected versions
1 explicit affected versions
1 explicit affected versions
74 explicit affected versions
65 explicit affected versions
64 explicit affected versions
10 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
7 explicit affected versions
1 explicit affected versions
64 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap() Since 'ieee80211_beacon_get()' can return NULL, 'wfx_set_mfp_ap()' should check the return value before examining skb data. So convert the latter to return an appropriate error code and propagate it to return from 'wfx_start_ap()' as well. Compile tested only.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d
- https://git.kernel.org/stable/c/3739121443f5114c6bcf6d841a5124deb006b878
- https://git.kernel.org/stable/c/574dcd3126aa2eed75437137843f254b1190dd03
- https://git.kernel.org/stable/c/9ab224744a47363f74ea29c6894c405e3bcf5132
- https://git.kernel.org/stable/c/fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d
- https://ubuntu.com/security/CVE-2023-52593
- https://ubuntu.com/security/notices/USN-6688-1
- https://ubuntu.com/security/notices/USN-6818-1
- https://ubuntu.com/security/notices/USN-6818-2
- https://ubuntu.com/security/notices/USN-6818-3
- https://ubuntu.com/security/notices/USN-6818-4
- https://ubuntu.com/security/notices/USN-6819-1
- https://ubuntu.com/security/notices/USN-6819-2
- https://ubuntu.com/security/notices/USN-6819-3
- https://ubuntu.com/security/notices/USN-6819-4
- https://ubuntu.com/security/notices/USN-7829-1
- https://ubuntu.com/security/notices/USN-7829-2
- https://ubuntu.com/security/notices/USN-7829-3
- https://ubuntu.com/security/notices/USN-7829-4
- https://ubuntu.com/security/notices/USN-7829-5
- https://ubuntu.com/security/notices/USN-7829-6
- https://ubuntu.com/security/notices/USN-7933-1
- https://www.cve.org/CVERecord?id=CVE-2023-52593