A flaw was found in in the Linux kernel's USB device management code which could cause a crash when a device which required snd_usb_audio driver. The kernel would panic causing null pointer dereference attempting to access non existent endpoints. Product bugs: https://bugzilla.redhat.com/show_bug.cgi?id=1283355 https://bugzilla.redhat.com/show_bug.cgi?id=1283358
Acknowledgments: Name: Ralf Spenneberg (OpenSource Security)
Public via: http://seclists.org/bugtraq/2016/Mar/88 http://seclists.org/bugtraq/2016/Mar/89
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1317470]
This should be fixed by these commits: https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?h=for-linus&id=0f886ca12765d20124bd06291c82951fd49a33be https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?h=for-linus&id=447d6275f0c21f6cc97a88b3a0c601436a4cdf2a
Research and the patch send upstream: http://mailman.alsa-project.org/pipermail/alsa-devel/2016-March/106316.html http://mailman.alsa-project.org/pipermail/alsa-devel/2016-March/106317.html Detailed research: https://bugzilla.redhat.com/show_bug.cgi?id=1283358#c6
patch v2: http://mailman.alsa-project.org/pipermail/alsa-devel/2016-March/106359.html final patch: http://mailman.alsa-project.org/pipermail/alsa-devel/2016-March/106393.html
Statement: This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
kernel-4.5.0-302.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
kernel-4.4.6-301.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
kernel-4.4.6-201.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
cve-id CVE-2016-2184 was assigned internally by the Red Hat. Final upstream patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=836b34a935abc91e13e63053d0a83b24dfb5ea78