Bug 1906525 (CVE-2020-29661)
Summary: | CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free | ||
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Product: | [Other] Security Response | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | high | Docs Contact: | |
Priority: | high | ||
Version: | unspecified | CC: | acaringi, adscvr, airlied, asavkov, bdettelb, bhu, blc, bmasney, brdeoliv, bskeggs, dhoward, dvlasenk, fhrbata, hdegoede, hkrzesin, itamar, jarodwilson, jeremy, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jpoimboe, jshortt, jstancek, jthierry, jwboyer, kcarcia, kernel-maint, kernel-mgr, kmullins, kpatch-maint, lgoncalv, linville, masami256, mchehab, mlangsdo, nmurray, ptalbert, qzhao, rhandlin, rvrbovsk, steved, tomckay, walters, williams, wmealing, ycote, yozone |
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 locking vulnerability was found in the tty subsystem of the Linux kernel in drivers/tty/tty_jobctrl.c. This flaw allows a local attacker to possibly corrupt memory or escalate privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
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Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2021-02-02 14:42:03 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: | 1906526, 1908191, 1908192, 1908193, 1908194, 1908195, 1908196, 1908197, 1908198, 1908199, 1908200, 1908201, 1908202, 1908203, 1908204, 1908205, 1908206, 1908207, 1908208, 1908209, 1908210, 1908241, 1908242, 1908243, 1908244, 1908245, 1908246, 1935468, 1948465 | ||
Bug Blocks: | 1906527 |
Description
Guilherme de Almeida Suckevicz
2020-12-10 17:42:01 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1906526] Mitigation: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2021:0354 https://access.redhat.com/errata/RHSA-2021:0354 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-2020-29661 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:0537 https://access.redhat.com/errata/RHSA-2021:0537 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:0558 https://access.redhat.com/errata/RHSA-2021:0558 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Extended Update Support Via RHSA-2021:0686 https://access.redhat.com/errata/RHSA-2021:0686 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Extended Update Support Via RHSA-2021:0689 https://access.redhat.com/errata/RHSA-2021:0689 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2021:0763 https://access.redhat.com/errata/RHSA-2021:0763 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2021:0774 https://access.redhat.com/errata/RHSA-2021:0774 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2021:0765 https://access.redhat.com/errata/RHSA-2021:0765 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2021:0856 https://access.redhat.com/errata/RHSA-2021:0856 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2021:0857 https://access.redhat.com/errata/RHSA-2021:0857 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2021:0862 https://access.redhat.com/errata/RHSA-2021:0862 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.6 Extended Update Support Via RHSA-2021:0878 https://access.redhat.com/errata/RHSA-2021:0878 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.6 Extended Update Support Via RHSA-2021:0940 https://access.redhat.com/errata/RHSA-2021:0940 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.7 Extended Update Support Via RHSA-2021:1028 https://access.redhat.com/errata/RHSA-2021:1028 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.7 Extended Update Support Via RHSA-2021:1031 https://access.redhat.com/errata/RHSA-2021:1031 This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Extended Lifecycle Support Via RHSA-2021:1288 https://access.redhat.com/errata/RHSA-2021:1288 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.4 Advanced Update Support Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions Red Hat Enterprise Linux 7.4 Telco Extended Update Support Via RHSA-2021:2164 https://access.redhat.com/errata/RHSA-2021:2164 |