Bug 2071047 (CVE-2022-1205)
| Summary: | CVE-2022-1205 kernel: Null pointer dereference and use after free in net/ax25/ax25_timer.c | ||
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| Product: | [Other] Security Response | Reporter: | Pedro Sampaio <psampaio> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED NOTABUG | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | acaringi, adscvr, airlied, alciregi, bdettelb, bhu, brdeoliv, bskeggs, carnil, chwhite, crwood, dhoward, dvlasenk, fhrbata, fpacheco, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, steved, vkumar, walters, williams |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: |
A NULL pointer dereference flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality. This flaw allows a local user to crash the system.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2022-04-18 14:08:48 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2071054 | ||
| Bug Blocks: | 2071049, 2071050 | ||
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Description
Pedro Sampaio
2022-04-01 16:42:37 UTC
There are null pointer dereference and use-after-free vulnerabilities in net/ax25/ax25_timer.c of linux that allow attacker to crash linux kernel by simulating Amateur Radio from user-space. Upstream fix: https://github.com/torvalds/linux/commit/fc6d01ff9ef03b66d4a3a23b46fc3c3d8cf92009 https://github.com/torvalds/linux/commit/82e31755e55fbcea6a9dfaae5fe4860ade17cbc0 Created kernel tracking bugs for this issue: Affects: fedora-all [bug 2071054] This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2022-1205 |