CVE-2022-38457: There is an UAF vulnerability in vmwgfx driver
First published: Fri Sep 09 2022(Updated: )
A use-after-free vulnerability was found in the Linux kernel's vmwgfx driver in vmw_cmd_res_check. Systems making use of the vmwgfx driver are potentially affected by this flaw. Exploiting the bug would require an attacker to have access to either /dev/dri/card0 or /dev/dri/rendererD128 and be able to issue an ioctl() on the resulting file descriptor. Under certain circumstances a local unprivileged user could use this flaw to crash the system, causing a denial of service. Reference: <a href="https://bugzilla.openanolis.cn/show_bug.cgi?id=2074">https://bugzilla.openanolis.cn/show_bug.cgi?id=2074</a>
Credit: security@openanolis.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=4.20<6.1.7 | |
| Linux Linux kernel | =6.2-rc1 | |
| Linux Linux kernel | =6.2-rc2 | |
| Linux Linux kernel | =6.2-rc3 | |
| Linux Linux kernel | =6.2-rc4 | |
| IBM QRadar SIEM | <=7.5 - 7.5.0 UP8 IF01 |
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Reference Links
- https://bugzilla.openanolis.cn/show_bug.cgi?id=2074
- https://exchange.xforce.ibmcloud.com/vulnerabilities/235641
- https://www.ibm.com/support/pages/node/7150684 (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2133501
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/errata/RHSA-2023:6901
- https://access.redhat.com/errata/RHSA-2023:7077
- https://access.redhat.com/errata/RHSA-2024:0930
- https://access.redhat.com/errata/RHSA-2024:1404
- https://access.redhat.com/errata/RHSA-2024:4823
- https://access.redhat.com/errata/RHSA-2024:4831
- https://bugzilla.redhat.com/show_bug.cgi?id=2133455
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