Vulnerability Details : CVE-2022-1198
A use-after-free vulnerabilitity was discovered in drivers/net/hamradio/6pack.c of linux that allows an attacker to crash linux kernel by simulating ax25 device using 6pack driver from user space.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2022-1198
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 16 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-1198
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2022-1198
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2022-1198
-
https://www.openwall.com/lists/oss-security/2022/04/02/3
oss-security - CVE-2022-1198 kernel: use-after-free in drivers/net/hamradio/6pack.cExploit;Mailing List;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=2070689
2070689 – (CVE-2022-1198) CVE-2022-1198 kernel: use-after-free in drivers/net/hamradio/6pack.cIssue Tracking;Third Party Advisory
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https://access.redhat.com/security/cve/CVE-2022-1198
CVE-2022-1198- Red Hat Customer PortalThird Party Advisory
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https://github.com/torvalds/linux/commit/efe4186e6a1b54bf38b9e05450d43b0da1fd7739
drivers: hamradio: 6pack: fix UAF bug caused by mod_timer() · torvalds/linux@efe4186 · GitHubExploit;Patch;Third Party Advisory
Products affected by CVE-2022-1198
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*