UBUNTU-CVE-2024-42089
In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl-asoc-card: set priv->pdev before using it priv->pdev pointer was set after being used in fsl_asoc_card_audmux_init(). Move this assignment at the start of the probe function, so sub-functions can correctly use pdev through priv. fsl_asoc_card_audmux_init() dereferences priv->pdev to get access to the dev struct, used with dev_err macros. As priv is zero-initialised, there would be a NULL pointer dereference. Note that if priv->dev is dereferenced before assignment but never used, for example if there is no error to be printed, the driver won't crash probably due to compiler optimisations.
02 / AFFECTED SOFTWARE
Affected packages
37 explicit affected versions
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35 explicit affected versions
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11 explicit affected versions
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2 explicit affected versions
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26 explicit affected versions
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14 explicit affected versions
117 explicit affected versions
55 explicit affected versions
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55 explicit affected versions
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27 explicit affected versions
16 explicit affected versions
5 explicit affected versions
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1 explicit affected versions
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11 explicit affected versions
13 explicit affected versions
84 explicit affected versions
13 explicit affected versions
49 explicit affected versions
72 explicit affected versions
46 explicit affected versions
10 explicit affected versions
13 explicit affected versions
12 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
41 explicit affected versions
37 explicit affected versions
15 explicit affected versions
14 explicit affected versions
38 explicit affected versions
44 explicit affected versions
9 explicit affected versions
44 explicit affected versions
11 explicit affected versions
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7 explicit affected versions
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56 explicit affected versions
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100 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
50 explicit affected versions
93 explicit affected versions
13 explicit affected versions
43 explicit affected versions
50 explicit affected versions
124 explicit affected versions
144 explicit affected versions
10 explicit affected versions
8 explicit affected versions
10 explicit affected versions
14 explicit affected versions
85 explicit affected versions
4 explicit affected versions
74 explicit affected versions
11 explicit affected versions
1 explicit affected versions
47 explicit affected versions
8 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl-asoc-card: set priv->pdev before using it priv->pdev pointer was set after being used in fsl_asoc_card_audmux_init(). Move this assignment at the start of the probe function, so sub-functions can correctly use pdev through priv. fsl_asoc_card_audmux_init() dereferences priv->pdev to get access to the dev struct, used with dev_err macros. As priv is zero-initialised, there would be a NULL pointer dereference. Note that if priv->dev is dereferenced before assignment but never used, for example if there is no error to be printed, the driver won't crash probably due to compiler optimisations.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/90f3feb24172185f1832636264943e8b5e289245
- https://git.kernel.org/stable/c/29bc9e7c75398b0d12fc30955f2e9b2dd29ffaed
- https://git.kernel.org/stable/c/3662eb2170e59b58ad479982dc1084889ba757b9
- https://git.kernel.org/stable/c/544ab46b7ece6d6bebbdee5d5659c0a0f804a99a
- https://git.kernel.org/stable/c/7c18b4d89ff9c810b6e562408afda5ce165c4ea6
- https://git.kernel.org/stable/c/8896e18b7c366f8faf9344abfd0971435f1c723a
- https://git.kernel.org/stable/c/8faf91e58425c2f6ce773250dfd995f1c2d461ac
- https://git.kernel.org/stable/c/90f3feb24172185f1832636264943e8b5e289245
- https://git.kernel.org/stable/c/ae81535ce2503aabc4adab3472f4338070cdeb6a
- https://ubuntu.com/security/CVE-2024-42089
- https://ubuntu.com/security/notices/USN-7003-1
- https://ubuntu.com/security/notices/USN-7003-2
- https://ubuntu.com/security/notices/USN-7003-3
- https://ubuntu.com/security/notices/USN-7003-4
- https://ubuntu.com/security/notices/USN-7003-5
- https://ubuntu.com/security/notices/USN-7006-1
- https://ubuntu.com/security/notices/USN-7007-1
- https://ubuntu.com/security/notices/USN-7007-2
- https://ubuntu.com/security/notices/USN-7007-3
- https://ubuntu.com/security/notices/USN-7009-1
- https://ubuntu.com/security/notices/USN-7009-2
- https://ubuntu.com/security/notices/USN-7019-1
- https://ubuntu.com/security/notices/USN-7069-1
- https://ubuntu.com/security/notices/USN-7069-2
- https://ubuntu.com/security/notices/USN-7089-1
- https://ubuntu.com/security/notices/USN-7089-2
- https://ubuntu.com/security/notices/USN-7089-3
- https://ubuntu.com/security/notices/USN-7089-4
- https://ubuntu.com/security/notices/USN-7089-5
- https://ubuntu.com/security/notices/USN-7089-6
- https://ubuntu.com/security/notices/USN-7089-7
- https://ubuntu.com/security/notices/USN-7090-1
- https://ubuntu.com/security/notices/USN-7095-1
- https://ubuntu.com/security/notices/USN-7110-1
- https://ubuntu.com/security/notices/USN-7156-1
- https://www.cve.org/CVERecord?id=CVE-2024-42089