UBUNTU-CVE-2021-47485
In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
6 explicit affected versions
9 explicit affected versions
191 explicit affected versions
7 explicit affected versions
76 explicit affected versions
35 explicit affected versions
56 explicit affected versions
29 explicit affected versions
35 explicit affected versions
18 explicit affected versions
88 explicit affected versions
13 explicit affected versions
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23 explicit affected versions
115 explicit affected versions
1 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
10 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
38 explicit affected versions
46 explicit affected versions
12 explicit affected versions
38 explicit affected versions
114 explicit affected versions
31 explicit affected versions
10 explicit affected versions
182 explicit affected versions
37 explicit affected versions
10 explicit affected versions
1 explicit affected versions
26 explicit affected versions
13 explicit affected versions
1 explicit affected versions
29 explicit affected versions
13 explicit affected versions
70 explicit affected versions
1 explicit affected versions
40 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
55 explicit affected versions
11 explicit affected versions
12 explicit affected versions
78 explicit affected versions
7 explicit affected versions
12 explicit affected versions
38 explicit affected versions
2 explicit affected versions
159 explicit affected versions
34 explicit affected versions
10 explicit affected versions
26 explicit affected versions
13 explicit affected versions
16 explicit affected versions
3 explicit affected versions
1 explicit affected versions
6 explicit affected versions
51 explicit affected versions
32 explicit affected versions
12 explicit affected versions
27 explicit affected versions
1 explicit affected versions
1 explicit affected versions
36 explicit affected versions
8 explicit affected versions
5 explicit affected versions
28 explicit affected versions
8 explicit affected versions
1 explicit affected versions
28 explicit affected versions
10 explicit affected versions
13 explicit affected versions
1 explicit affected versions
7 explicit affected versions
32 explicit affected versions
10 explicit affected versions
12 explicit affected versions
26 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
38 explicit affected versions
9 explicit affected versions
11 explicit affected versions
28 explicit affected versions
7 explicit affected versions
91 explicit affected versions
9 explicit affected versions
86 explicit affected versions
63 explicit affected versions
4 explicit affected versions
54 explicit affected versions
28 explicit affected versions
43 explicit affected versions
1 explicit affected versions
138 explicit affected versions
103 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
30 explicit affected versions
4 explicit affected versions
17 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: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/d39bf40e55e666b5905fdbd46a0dced030ce87be
- https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952
- https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724
- https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad
- https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d
- https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42
- https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0
- https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780
- https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be
- https://ubuntu.com/security/CVE-2021-47485
- https://ubuntu.com/security/notices/USN-7987-1
- https://ubuntu.com/security/notices/USN-7987-2
- https://www.cve.org/CVERecord?id=CVE-2021-47485