UBUNTU-CVE-2025-71101
In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: Fix out-of-bounds array access in ACPI package parsing The hp_populate_*_elements_from_package() functions in the hp-bioscfg driver contain out-of-bounds array access vulnerabilities. These functions parse ACPI packages into internal data structures using a for loop with index variable 'elem' that iterates through enum_obj/integer_obj/order_obj/password_obj/string_obj arrays. When processing multi-element fields like PREREQUISITES and ENUM_POSSIBLE_VALUES, these functions read multiple consecutive array elements using expressions like 'enum_obj[elem + reqs]' and 'enum_obj[elem + pos_values]' within nested loops. The bug is that the bounds check only validated elem, but did not consider the additional offset when accessing elem + reqs or elem + pos_values. The fix changes the bounds check to validate the actual accessed index.
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
10 explicit affected versions
6 explicit affected versions
24 explicit affected versions
10 explicit affected versions
32 explicit affected versions
26 explicit affected versions
7 explicit affected versions
35 explicit affected versions
13 explicit affected versions
39 explicit affected versions
35 explicit affected versions
18 explicit affected versions
40 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
47 explicit affected versions
1 explicit affected versions
21 explicit affected versions
9 explicit affected versions
16 explicit affected versions
10 explicit affected versions
15 explicit affected versions
43 explicit affected versions
8 explicit affected versions
7 explicit affected versions
12 explicit affected versions
11 explicit affected versions
7 explicit affected versions
12 explicit affected versions
14 explicit affected versions
10 explicit affected versions
1 explicit affected versions
7 explicit affected versions
11 explicit affected versions
12 explicit affected versions
4 explicit affected versions
12 explicit affected versions
36 explicit affected versions
16 explicit affected versions
12 explicit affected versions
25 explicit affected versions
29 explicit affected versions
10 explicit affected versions
37 explicit affected versions
10 explicit affected versions
4 explicit affected versions
13 explicit affected versions
35 explicit affected versions
3 explicit affected versions
10 explicit affected versions
11 explicit affected versions
26 explicit affected versions
6 explicit affected versions
13 explicit affected versions
29 explicit affected versions
13 explicit affected versions
12 explicit affected versions
36 explicit affected versions
36 explicit affected versions
3 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
15 explicit affected versions
14 explicit affected versions
11 explicit affected versions
5 explicit affected versions
12 explicit affected versions
4 explicit affected versions
7 explicit affected versions
12 explicit affected versions
3 explicit affected versions
11 explicit affected versions
5 explicit affected versions
10 explicit affected versions
26 explicit affected versions
34 explicit affected versions
30 explicit affected versions
42 explicit affected versions
11 explicit affected versions
4 explicit affected versions
13 explicit affected versions
41 explicit affected versions
16 explicit affected versions
45 explicit affected versions
3 explicit affected versions
7 explicit affected versions
10 explicit affected versions
51 explicit affected versions
11 explicit affected versions
18 explicit affected versions
37 explicit affected versions
12 explicit affected versions
3 explicit affected versions
27 explicit affected versions
38 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
7 explicit affected versions
41 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
8 explicit affected versions
10 explicit affected versions
12 explicit affected versions
9 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
46 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
12 explicit affected versions
11 explicit affected versions
34 explicit affected versions
15 explicit affected versions
9 explicit affected versions
8 explicit affected versions
7 explicit affected versions
4 explicit affected versions
3 explicit affected versions
1 explicit affected versions
13 explicit affected versions
43 explicit affected versions
9 explicit affected versions
10 explicit affected versions
8 explicit affected versions
40 explicit affected versions
14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
9 explicit affected versions
11 explicit affected versions
1 explicit affected versions
14 explicit affected versions
34 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: Fix out-of-bounds array access in ACPI package parsing The hp_populate_*_elements_from_package() functions in the hp-bioscfg driver contain out-of-bounds array access vulnerabilities. These functions parse ACPI packages into internal data structures using a for loop with index variable 'elem' that iterates through enum_obj/integer_obj/order_obj/password_obj/string_obj arrays. When processing multi-element fields like PREREQUISITES and ENUM_POSSIBLE_VALUES, these functions read multiple consecutive array elements using expressions like 'enum_obj[elem + reqs]' and 'enum_obj[elem + pos_values]' within nested loops. The bug is that the bounds check only validated elem, but did not consider the additional offset when accessing elem + reqs or elem + pos_values. The fix changes the bounds check to validate the actual accessed index.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/e44c42c830b7ab36e3a3a86321c619f24def5206
- https://git.kernel.org/stable/c/79cab730dbaaac03b946c7f5681bd08c986e2abd
- https://git.kernel.org/stable/c/cf7ae870560b988247a4bbbe5399edd326632680
- https://git.kernel.org/stable/c/db4c26adf7117b1a4431d1197ae7109fee3230ad
- https://git.kernel.org/stable/c/e44c42c830b7ab36e3a3a86321c619f24def5206
- https://ubuntu.com/security/CVE-2025-71101
- https://ubuntu.com/security/notices/USN-8177-1
- https://ubuntu.com/security/notices/USN-8177-2
- https://ubuntu.com/security/notices/USN-8179-1
- https://ubuntu.com/security/notices/USN-8179-2
- https://ubuntu.com/security/notices/USN-8179-3
- https://ubuntu.com/security/notices/USN-8179-4
- https://ubuntu.com/security/notices/USN-8183-1
- https://ubuntu.com/security/notices/USN-8183-2
- https://ubuntu.com/security/notices/USN-8184-1
- https://ubuntu.com/security/notices/USN-8185-1
- https://ubuntu.com/security/notices/USN-8185-2
- https://ubuntu.com/security/notices/USN-8203-1
- https://ubuntu.com/security/notices/USN-8204-1
- https://ubuntu.com/security/notices/USN-8245-1
- https://ubuntu.com/security/notices/USN-8257-1
- https://ubuntu.com/security/notices/USN-8258-1
- https://ubuntu.com/security/notices/USN-8260-1
- https://ubuntu.com/security/notices/USN-8261-1
- https://ubuntu.com/security/notices/USN-8265-1
- https://ubuntu.com/security/notices/USN-8440-1
- https://www.cve.org/CVERecord?id=CVE-2025-71101