UBUNTU-CVE-2024-38573
In the Linux kernel, the following vulnerability has been resolved: cppc_cpufreq: Fix possible null pointer dereference cppc_cpufreq_get_rate() and hisi_cppc_cpufreq_get_rate() can be called from different places with various parameters. So cpufreq_cpu_get() can return null as 'policy' in some circumstances. Fix this bug by adding null return check. Found by Linux Verification Center (linuxtesting.org) with SVACE.
02 / AFFECTED SOFTWARE
Affected packages
31 explicit affected versions
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26 explicit affected versions
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55 explicit affected versions
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2 explicit affected versions
51 explicit affected versions
7 explicit affected versions
12 explicit affected versions
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2 explicit affected versions
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7 explicit affected versions
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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
41 explicit affected versions
37 explicit affected versions
10 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
52 explicit affected versions
7 explicit affected versions
25 explicit affected versions
4 explicit affected versions
1 explicit affected versions
1 explicit affected versions
50 explicit affected versions
13 explicit affected versions
43 explicit affected versions
10 explicit affected versions
8 explicit affected versions
14 explicit affected versions
4 explicit affected versions
11 explicit affected versions
1 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: cppc_cpufreq: Fix possible null pointer dereference cppc_cpufreq_get_rate() and hisi_cppc_cpufreq_get_rate() can be called from different places with various parameters. So cpufreq_cpu_get() can return null as 'policy' in some circumstances. Fix this bug by adding null return check. Found by Linux Verification Center (linuxtesting.org) with SVACE.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/cf7de25878a1f4508c69dc9f6819c21ba177dbfe
- https://git.kernel.org/stable/c/769c4f355b7962895205b86ad35617873feef9a5
- https://git.kernel.org/stable/c/9a185cc5a79ba408e1c73375706630662304f618
- https://git.kernel.org/stable/c/b18daa4ec727c0266de5bfc78e818d168cc4aedf
- https://git.kernel.org/stable/c/cf7de25878a1f4508c69dc9f6819c21ba177dbfe
- https://git.kernel.org/stable/c/dfec15222529d22b15e5b0d63572a9e39570cab4
- https://git.kernel.org/stable/c/f84b9b25d045e67a7eee5e73f21278c8ab06713c
- https://ubuntu.com/security/CVE-2024-38573
- https://ubuntu.com/security/notices/USN-6949-1
- https://ubuntu.com/security/notices/USN-6949-2
- https://ubuntu.com/security/notices/USN-6952-1
- https://ubuntu.com/security/notices/USN-6952-2
- https://ubuntu.com/security/notices/USN-6955-1
- 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://www.cve.org/CVERecord?id=CVE-2024-38573