net ipv6 output_core.c has an information leak because of certain use of a hash
22351
07 November 2023
01 August 2023
OPEN
MEDIUM
7.5 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE-2021-45485
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Brocade Security Advisory ID |
BSA-2023-1671 |
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Component |
Linux |
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Summary
In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.
Products Affected
Brocade Fabric OS v9.0 and later versions are affected
Brocade ASCG versions prior to v3.0
Products Confirmed Not Affected
Brocade Fabric OS versions prior to v9.0 are not affected by this vulnerability
Brocade SANnav is not affected by this vulnerability
Solution
Solution provided in Brocade Fabric OS v9.1.1c, v9.2.0 and later versions
Solution provided in Brocade ASCG v3.0 and later versions
Revision History
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Version |
Change |
Date |
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1.0 |
Initial Publication |
August 1, 2023 |
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2.0 |
Added communication for ASCG |
November 7, 2023 |
Disclaimer
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