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An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data potentially containing sensitive information from kernel stack memory if the configuration lacks CONFIG_INIT_STACK_ALL aka CID-b9258a2cece4.

🗓️ 18 Aug 2020 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Vulnerability in slc_bump (slcan.c) enables reading uninitialized can_frame data on kernel versions 3.16–5.6.2 when CONFIG_INIT_STACK_ALL is missing.

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18 Aug 2020 07:00Current
7High risk
Vulners AI Score7
CVSS 22.1
CVSS 3.14.4
EPSS0.00081
2