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ubuntucveUbuntu.comUB:CVE-2022-32296
HistoryJun 05, 2022 - 12:00 a.m.

CVE-2022-32296

2022-06-0500:00:00
ubuntu.com
ubuntu.com
39
linux kernel
tcp server
client identification
source ports
algorithm 4
rfc 6056

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

EPSS

0.001

Percentile

46.7%

JSON

The Linux kernel before 5.17.9 allows TCP servers to identify clients by
observing what source ports are used. This occurs because of use of
Algorithm 4 (“Double-Hash Port Selection Algorithm”) of RFC 6056.

Bugs

Notes

Author Note
sbeattie this is likely a duplicate of CVE-2022-1012
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-194.205UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-126.142UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-47.51UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1142.154UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1085.92UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1019.23UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1019.23~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1085.92~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1142.154~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1091.96UNKNOWN
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1-10 of 601

References

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Security Bulletin: Multiple Linux Kernel vulnerabilities may affect IBM Elastic Storage System
2022-12-13 13:33:54
Security Bulletin: Vulnerability in Kernel (CVE-2022-1012) affects Power HMC
2023-01-08 16:04:52
Security Bulletin: IBM DataPower Gateway subject to a memory leak in TCP source port generation (CVE-2022-1012)
2022-12-16 18:58:43
cbl_mariner
cbl_mariner
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2022-08-12 16:45:24
CVE-2022-32296 affecting package kernel for versions less than 5.15.48.1-2
2022-07-01 21:02:42
CVE-2022-1012 affecting package kernel 5.10.131.1-1
2022-09-17 05:57:05
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2022-09-26 15:32:12
linux-gke vulnerabilities
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linux-raspi-5.4 vulnerabilities
2022-09-22 16:29:56
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Ubuntu: Security Advisory (USN-5654-1)
2022-10-05 00:00:00
Ubuntu: Security Advisory (USN-5622-1)
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(RHSA-2022:5834) Important: kernel-rt security and bug fix update
2022-08-02 07:11:05
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CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

EPSS

0.001

Percentile

46.7%

JSON
Related for UB:CVE-2022-32296
redhatcve2ibm8cbl_mariner4cve2cvelist2prion2debiancve2nvd2osv25openvas34nessus58ubuntu19veracode1ubuntucve1amazon2redhat15oraclelinux2almalinux4rocky2ics1altlinux1suse7mageia2photon1