UBUNTU-CVE-2021-33655
When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
02 / AFFECTED SOFTWARE
Affected packages
4 explicit affected versions
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4
- https://ubuntu.com/security/CVE-2021-33655
- https://ubuntu.com/security/notices/USN-5577-1
- https://ubuntu.com/security/notices/USN-5580-1
- https://ubuntu.com/security/notices/USN-5596-1
- https://ubuntu.com/security/notices/USN-5621-1
- https://ubuntu.com/security/notices/USN-5622-1
- https://ubuntu.com/security/notices/USN-5623-1
- https://ubuntu.com/security/notices/USN-5624-1
- https://ubuntu.com/security/notices/USN-5630-1
- https://ubuntu.com/security/notices/USN-5633-1
- https://ubuntu.com/security/notices/USN-5635-1
- https://ubuntu.com/security/notices/USN-5639-1
- https://ubuntu.com/security/notices/USN-5640-1
- https://ubuntu.com/security/notices/USN-5644-1
- https://ubuntu.com/security/notices/USN-5647-1
- https://ubuntu.com/security/notices/USN-5648-1
- https://ubuntu.com/security/notices/USN-5650-1
- https://ubuntu.com/security/notices/USN-5652-1
- https://ubuntu.com/security/notices/USN-5654-1
- https://ubuntu.com/security/notices/USN-5655-1
- https://ubuntu.com/security/notices/USN-5660-1
- https://ubuntu.com/security/notices/USN-5683-1
- https://www.cve.org/CVERecord?id=CVE-2021-33655