CVE - CVE-2024-27043

CVE-ID
CVE-2024-27043	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: media: edia: dvbdev: fix a use-after-free In dvb_register_device, pdvbdev is set equal to dvbdev, which is freed in several error-handling paths. However, pdvbdev is not set to NULL after dvbdev's deallocation, causing use-after-frees in many places, for example, in the following call chain: budget_register \|-> dvb_dmxdev_init \|-> dvb_register_device \|-> dvb_dmxdev_release \|-> dvb_unregister_device \|-> dvb_remove_device \|-> dvb_device_put \|-> kref_put When calling dvb_unregister_device, dmxdev->dvbdev (i.e. *pdvbdev in dvb_register_device) could point to memory that had been freed in dvb_register_device. Thereafter, this pointer is transferred to kref_put and triggering a use-after-free.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/096237039d00c839f3e3a5fe6d001bf0db45b644 URL:https://git.kernel.org/stable/c/096237039d00c839f3e3a5fe6d001bf0db45b644 MISC:https://git.kernel.org/stable/c/0d3fe80b6d175c220b3e252efc6c6777e700e98e URL:https://git.kernel.org/stable/c/0d3fe80b6d175c220b3e252efc6c6777e700e98e MISC:https://git.kernel.org/stable/c/35674111a043b0482a9bc69da8850a83f465b07d URL:https://git.kernel.org/stable/c/35674111a043b0482a9bc69da8850a83f465b07d MISC:https://git.kernel.org/stable/c/437a111f79a2f5b2a5f21e27fdec6f40c8768712 URL:https://git.kernel.org/stable/c/437a111f79a2f5b2a5f21e27fdec6f40c8768712 MISC:https://git.kernel.org/stable/c/779e8db7efb22316c8581d6c229636d2f5694a62 URL:https://git.kernel.org/stable/c/779e8db7efb22316c8581d6c229636d2f5694a62 MISC:https://git.kernel.org/stable/c/8c64f4cdf4e6cc5682c52523713af8c39c94e6d5 URL:https://git.kernel.org/stable/c/8c64f4cdf4e6cc5682c52523713af8c39c94e6d5 MISC:https://git.kernel.org/stable/c/b7586e902128e4fb7bfbb661cb52e4215a65637b URL:https://git.kernel.org/stable/c/b7586e902128e4fb7bfbb661cb52e4215a65637b MISC:https://git.kernel.org/stable/c/d0f5c28333822f9baa5280d813124920720fd856 URL:https://git.kernel.org/stable/c/d0f5c28333822f9baa5280d813124920720fd856 MISC:https://git.kernel.org/stable/c/f20c3270f3ed5aa6919a87e4de9bf6c05fb57086 URL:https://git.kernel.org/stable/c/f20c3270f3ed5aa6919a87e4de9bf6c05fb57086 MLIST:[debian-lts-announce] 20240625 [SECURITY] [DLA 3842-1] linux-5.10 security update URL:https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html MLIST:[debian-lts-announce] 20240627 [SECURITY] [DLA 3840-1] linux security update URL:https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Assigning CNA
kernel.org
Date Record Created
20240219	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240219)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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