In icmp_global_allow of icmp.c, there is a possible disclosure of UDP source ports due to a side channel information disclosure. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-25705US | high7.4OT elevated | Exploit | ||
A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP… | ||||
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references
External citations — patches, advisories, analysis.
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