7.8
CVE-2022-4378
- EPSS 0.03%
- Veröffentlicht 05.01.2023 16:15:11
- Zuletzt bearbeitet 10.04.2025 15:16:01
- Quelle secalert@redhat.com
- CVE-Watchlists
- Unerledigt
A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.9.0 <= 4.9.337
Linux ≫ Linux Kernel Version >= 4.14.0 <= 4.14.302
Linux ≫ Linux Kernel Version >= 4.19.0 <= 4.19.269
Linux ≫ Linux Kernel Version >= 5.4.0 <= 5.4.228
Linux ≫ Linux Kernel Version >= 5.10.0 <= 5.10.162
Linux ≫ Linux Kernel Version >= 5.15.0 <= 5.15.86
Linux ≫ Linux Kernel Version >= 6.0.0 <= 6.0.11
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.03% | 0.096 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
CWE-131 Incorrect Calculation of Buffer Size
The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
http://packetstormsecurity.com/files/171289/Kernel-Live-Patch-Security-Notice-LNS-0092-1.html
https://bugzilla.redhat.com/show_bug.cgi?id=2152548
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-avoid-integer-type-confusion-in-get_proc_long.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.0/proc-proc_skip_spaces-shouldn-t-think-it-is-working-on-c-strings.patch
https://seclists.org/oss-sec/2022/q4/178