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VMScore

CVE-2019-20422

Published: 27/01/2020 Updated: 13/03/2020
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

In the Linux kernel prior to 5.3.4, fib6_rule_lookup in net/ipv6/ip6_fib.c mishandles the RT6_LOOKUP_F_DST_NOREF flag in a reference-count decision, leading to (for example) a crash that was identified by syzkaller, aka CID-7b09c2d052db.

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References

CWE-755https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4https://github.com/torvalds/linux/commit/7b09c2d052db4b4ad0b27b97918b46a7746966fahttps://security.netapp.com/advisory/ntap-20200313-0003/https://nvd.nist.gov
VMScore
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-38298CVE-2024-20356CVE-2023-21987CVE-2024-33217bypassCVE-2024-31804CVE-2024-32660unauthorizedSSRF
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