NULL Pointer Dereference Affecting kernel-rt-doc package, versions *
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRTDOC-7937969
- published 12 Sep 2024
- disclosed 11 Sep 2024
Introduced: 11 Sep 2024
CVE-2024-45027 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 kernel-rt-doc.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-doc package and not the kernel-rt-doc package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
usb: xhci: Check for xhci->interrupters being allocated in xhci_mem_clearup()
If xhci_mem_init() fails, it calls into xhci_mem_cleanup() to mop up the damage. If it fails early enough, before xhci->interrupters is allocated but after xhci->max_interrupters has been set, which happens in most (all?) cases, things get uglier, as xhci_mem_cleanup() unconditionally derefences xhci->interrupters. With prejudice.
Gate the interrupt freeing loop with a check on xhci->interrupters being non-NULL.
Found while debugging a DMA allocation issue that led the XHCI driver on this exact path.