UBUNTU-CVE-2024-49971
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Increase array size of dummy_boolean [WHY] dml2_core_shared_mode_support and dml_core_mode_support access the third element of dummy_boolean, i.e. hw_debug5 = &s->dummy_boolean[2], when dummy_boolean has size of 2. Any assignment to hw_debug5 causes an OVERRUN. [HOW] Increase dummy_boolean's array size to 3. This fixes 2 OVERRUN issues reported by Coverity.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
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23 explicit affected versions
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13 explicit affected versions
7 explicit affected versions
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14 explicit affected versions
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3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
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6 explicit affected versions
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12 explicit affected versions
26 explicit affected versions
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12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Increase array size of dummy_boolean [WHY] dml2_core_shared_mode_support and dml_core_mode_support access the third element of dummy_boolean, i.e. hw_debug5 = &s->dummy_boolean[2], when dummy_boolean has size of 2. Any assignment to hw_debug5 causes an OVERRUN. [HOW] Increase dummy_boolean's array size to 3. This fixes 2 OVERRUN issues reported by Coverity.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/6d64d39486197083497a01b39e23f2f8474b35d3
- https://git.kernel.org/stable/c/6d64d39486197083497a01b39e23f2f8474b35d3
- https://git.kernel.org/stable/c/e9e48b7bb9cf3b78f0305ef0144aaf61da0a83d8
- https://ubuntu.com/security/CVE-2024-49971
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://www.cve.org/CVERecord?id=CVE-2024-49971