CVSS 3.1
6.7 mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HCVE-2021-42739
Medium (6.7). EPSS 0.5% chance of exploitation in the next 30 days.
The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- fedoraproject:fedora
- linux:linux_kernel
- oracle:communications_cloud_native_core_binding_support_function
- oracle:communications_cloud_native_core_network_exposure_function
- oracle:communications_cloud_native_core_policy
- starwindsoftware:starwind_san_\&_nas
- starwindsoftware:starwind_virtual_san
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1951739
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e
- https://lore.kernel.org/linux-media/YHaulytonFcW+lyZ%40mwanda/
- https://seclists.org/oss-sec/2021/q2/46
- https://www.oracle.com/security-alerts/cpujul2022.html