6.4
CVE-2023-39198
- EPSS 0.42%
- Veröffentlicht 09.11.2023 20:15:08
- Zuletzt bearbeitet 24.03.2026 12:16:07
- Erkennungen
Kernel: qxl: race condition leading to use-after-free in qxl_mode_dumb_create()
A race condition was found in the QXL driver in the Linux kernel. The qxl_mode_dumb_create() function dereferences the qobj returned by the qxl_gem_object_create_with_handle(), but the handle is the only one holding a reference to it. This flaw allows an attacker to guess the returned handle value and trigger a use-after-free issue, potentially leading to a denial of service or privilege escalation.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.5
Linux ≫ Linux Kernel Version 6.5 Update rc1
Linux ≫ Linux Kernel Version 6.5 Update rc2
Linux ≫ Linux Kernel Version 6.5 Update rc3
Linux ≫ Linux Kernel Version 6.5 Update rc4
Linux ≫ Linux Kernel Version 6.5 Update rc5
Linux ≫ Linux Kernel Version 6.5 Update rc6
Fedoraproject ≫ Fedora Version 38
Redhat ≫ Enterprise Linux Version 8.0
Redhat ≫ Enterprise Linux Version 9.0
VulnDex Vulnerability Enrichment
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Login
Login| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.42% | 0.334 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| NIST | 6.4 | 0.5 | 5.9 |
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
|
| RedHat | 7.5 | 0.8 | 6 |
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
|
CWE-416 Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
https://access.redhat.com/errata/RHSA-2024:2394
https://access.redhat.com/errata/RHSA-2024:2950
https://access.redhat.com/errata/RHSA-2024:3138
https://access.redhat.com/security/cve/CVE-2023-39198
https://bugzilla.redhat.com/show_bug.cgi?id=2218332
https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html