CVE-2024-40963
"BCM6358 MIPS CBR Address Validation Vulnerability"
Description
In the Linux kernel, the following vulnerability has been resolved: mips: bmips: BCM6358: make sure CBR is correctly set It was discovered that some device have CBR address set to 0 causing kernel panic when arch_sync_dma_for_cpu_all is called. This was notice in situation where the system is booted from TP1 and BMIPS_GET_CBR() returns 0 instead of a valid address and !!(read_c0_brcm_cmt_local() & (1 << 31)); not failing. The current check whether RAC flush should be disabled or not are not enough hence lets check if CBR is a valid address or not.
INFO
Published Date :
July 12, 2024, 1:15 p.m.
Last Modified :
July 12, 2024, 4:34 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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CVE-2024-40963
vulnerability anywhere in the article.
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CVE-2024-40963
vulnerability over time.
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CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 12, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: mips: bmips: BCM6358: make sure CBR is correctly set It was discovered that some device have CBR address set to 0 causing kernel panic when arch_sync_dma_for_cpu_all is called. This was notice in situation where the system is booted from TP1 and BMIPS_GET_CBR() returns 0 instead of a valid address and !!(read_c0_brcm_cmt_local() & (1 << 31)); not failing. The current check whether RAC flush should be disabled or not are not enough hence lets check if CBR is a valid address or not. Added Reference kernel.org https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5b [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778caf [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-40963
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-40963
weaknesses.