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CVE-2024-40963

mips: bmips: BCM6358: make sure CBR is correctly set PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected d65de5ee8b72868fbbbd39ca73017d0e526fa13a before 10afe5f7d30f6fe50c2b1177549d0e04921fc373; affected 47a449ec09b4479b89dcc6b27ec3829fc82ffafb before 36d771ce6028b886e18a4a8956a5d23688e4e13d; affected 65b723644294f1d79770704162c0e8d1f700b6f1 before 89167072fd249e5f23ae2f8093f87da5925cef27; affected 2cdbcff99f15db86a10672fb220379a1ae46ccae before 6c0f6ccd939166f56a904c792d7fcadae43b9085; affected ab327f8acdf8d06601fbf058859a539a9422afff before 2cd4854ef14a487bcfb76c7980675980cad27b52; affected ab327f8acdf8d06601fbf058859a539a9422afff before da895fd6da438af8d9326b8f02d715a9c76c3b5b; affected ab327f8acdf8d06601fbf058859a539a9422afff before ce5cdd3b05216b704a704f466fb4c2dff3778caf; affected 288c96aa5b5526cd4a946e84ef85e165857693b5; affected 5.4.240 before 5.4.279; affected 5.10.177 before 5.10.221; affected 5.15.106 before 5.15.162; affected 6.1.23 before 6.1.96; affected 6.2.10 before 6.3
Linux / Linuxaffected 6.3; unaffected 0 before 6.3; unaffected 5.4.279 through 5.4.*; unaffected 5.10.221 through 5.10.*; unaffected 5.15.162 through 5.15.*; unaffected 6.1.96 through 6.1.*; unaffected 6.6.36 through 6.6.*; unaffected 6.9.7 through 6.9.*; unaffected 6.10 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.