UBUNTU-CVE-2024-36940
In the Linux kernel, the following vulnerability has been resolved: pinctrl: core: delete incorrect free in pinctrl_enable() The "pctldev" struct is allocated in devm_pinctrl_register_and_init(). It's a devm_ managed pointer that is freed by devm_pinctrl_dev_release(), so freeing it in pinctrl_enable() will lead to a double free. The devm_pinctrl_dev_release() function frees the pindescs and destroys the mutex as well.
02 / AFFECTED SOFTWARE
Affected packages
92 explicit affected versions
29 explicit affected versions
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10 explicit affected versions
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11 explicit affected versions
1 explicit affected versions
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13 explicit affected versions
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29 explicit affected versions
83 explicit affected versions
13 explicit affected versions
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1 explicit affected versions
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51 explicit affected versions
95 explicit affected versions
13 explicit affected versions
33 explicit affected versions
12 explicit affected versions
23 explicit affected versions
10 explicit affected versions
1 explicit affected versions
92 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
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7 explicit affected versions
12 explicit affected versions
93 explicit affected versions
40 explicit affected versions
34 explicit affected versions
108 explicit affected versions
50 explicit affected versions
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26 explicit affected versions
9 explicit affected versions
29 explicit affected versions
1 explicit affected versions
2 explicit affected versions
13 explicit affected versions
9 explicit affected versions
115 explicit affected versions
53 explicit affected versions
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3 explicit affected versions
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1 explicit affected versions
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51 explicit affected versions
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1 explicit affected versions
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10 explicit affected versions
6 explicit affected versions
13 explicit affected versions
82 explicit affected versions
13 explicit affected versions
47 explicit affected versions
7 explicit affected versions
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44 explicit affected versions
12 explicit affected versions
82 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
39 explicit affected versions
37 explicit affected versions
10 explicit affected versions
14 explicit affected versions
38 explicit affected versions
42 explicit affected versions
9 explicit affected versions
42 explicit affected versions
11 explicit affected versions
2 explicit affected versions
50 explicit affected versions
7 explicit affected versions
23 explicit affected versions
54 explicit affected versions
119 explicit affected versions
98 explicit affected versions
4 explicit affected versions
1 explicit affected versions
48 explicit affected versions
91 explicit affected versions
13 explicit affected versions
43 explicit affected versions
48 explicit affected versions
10 explicit affected versions
8 explicit affected versions
5 explicit affected versions
14 explicit affected versions
83 explicit affected versions
4 explicit affected versions
72 explicit affected versions
11 explicit affected versions
1 explicit affected versions
45 explicit affected versions
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: pinctrl: core: delete incorrect free in pinctrl_enable() The "pctldev" struct is allocated in devm_pinctrl_register_and_init(). It's a devm_ managed pointer that is freed by devm_pinctrl_dev_release(), so freeing it in pinctrl_enable() will lead to a double free. The devm_pinctrl_dev_release() function frees the pindescs and destroys the mutex as well.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/5038a66dad0199de60e5671603ea6623eb9e5c79
- https://git.kernel.org/stable/c/288bc4aa75f150d6f1ee82dd43c6da1b438b6068
- https://git.kernel.org/stable/c/41f88ef8ba387a12f4a2b8c400b6c9e8e54b2cca
- https://git.kernel.org/stable/c/5038a66dad0199de60e5671603ea6623eb9e5c79
- https://git.kernel.org/stable/c/558c8039fdf596a584a92c171cbf3298919c448c
- https://git.kernel.org/stable/c/735f4c6b6771eafe336404c157ca683ad72a040d
- https://git.kernel.org/stable/c/ac7d65795827dc0cf7662384ed27caf4066bd72e
- https://git.kernel.org/stable/c/cdaa171473d98962ae86f2a663d398fda2fbeefd
- https://git.kernel.org/stable/c/f9f1e321d53e4c5b666b66e5b43da29841fb55ba
- https://ubuntu.com/security/CVE-2024-36940
- https://ubuntu.com/security/notices/USN-6949-1
- https://ubuntu.com/security/notices/USN-6949-2
- https://ubuntu.com/security/notices/USN-6950-1
- https://ubuntu.com/security/notices/USN-6950-2
- https://ubuntu.com/security/notices/USN-6950-3
- https://ubuntu.com/security/notices/USN-6950-4
- https://ubuntu.com/security/notices/USN-6951-1
- https://ubuntu.com/security/notices/USN-6951-2
- https://ubuntu.com/security/notices/USN-6951-3
- https://ubuntu.com/security/notices/USN-6951-4
- https://ubuntu.com/security/notices/USN-6952-1
- https://ubuntu.com/security/notices/USN-6952-2
- https://ubuntu.com/security/notices/USN-6953-1
- https://ubuntu.com/security/notices/USN-6955-1
- https://ubuntu.com/security/notices/USN-6956-1
- https://ubuntu.com/security/notices/USN-6957-1
- https://ubuntu.com/security/notices/USN-6972-1
- https://ubuntu.com/security/notices/USN-6972-2
- https://ubuntu.com/security/notices/USN-6972-3
- https://ubuntu.com/security/notices/USN-6972-4
- https://ubuntu.com/security/notices/USN-6979-1
- https://ubuntu.com/security/notices/USN-7019-1
- https://www.cve.org/CVERecord?id=CVE-2024-36940