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HistoryMar 10, 2022 - 5:44 p.m.
CVE-2022-0847
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.076 Low
EPSS
Percentile
94.2%
A flaw was found in the way the āflagsā member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.
Affected configurations
Node
linuxlinux_kernelRange5.8ā5.10.102
ORlinuxlinux_kernelRange5.15ā5.15.25
ORlinuxlinux_kernelRange5.16ā5.16.11
Node
fedoraprojectfedoraMatch35
Node
redhatenterprise_linuxMatch8.0
ORredhatenterprise_linux_eusMatch8.2
ORredhatenterprise_linux_eusMatch8.4
ORredhatenterprise_linux_for_ibm_z_systemsMatch8.0
ORredhatenterprise_linux_for_ibm_z_systems_eusMatch8.2
ORredhatenterprise_linux_for_ibm_z_systems_eusMatch8.4
ORredhatenterprise_linux_for_power_little_endianMatch8.0
ORredhatenterprise_linux_for_power_little_endian_eusMatch8.2
ORredhatenterprise_linux_for_power_little_endian_eusMatch8.4
ORredhatenterprise_linux_for_real_timeMatch8
ORredhatenterprise_linux_for_real_time_for_nfvMatch8
ORredhatenterprise_linux_for_real_time_for_nfv_tusMatch8.2
ORredhatenterprise_linux_for_real_time_for_nfv_tusMatch8.4
ORredhatenterprise_linux_for_real_time_tusMatch8.2
ORredhatenterprise_linux_for_real_time_tusMatch8.4
ORredhatenterprise_linux_server_ausMatch8.2
ORredhatenterprise_linux_server_ausMatch8.4
ORredhatenterprise_linux_server_for_power_little_endian_update_services_for_sap_solutionsMatch8.1
ORredhatenterprise_linux_server_for_power_little_endian_update_services_for_sap_solutionsMatch8.2
ORredhatenterprise_linux_server_for_power_little_endian_update_services_for_sap_solutionsMatch8.4
ORredhatenterprise_linux_server_tusMatch8.2
ORredhatenterprise_linux_server_tusMatch8.4
ORredhatenterprise_linux_server_update_services_for_sap_solutionsMatch8.1
ORredhatenterprise_linux_server_update_services_for_sap_solutionsMatch8.2
ORredhatenterprise_linux_server_update_services_for_sap_solutionsMatch8.4
Node
redhatcodeready_linux_builderMatch-
redhatenterprise_linuxMatch8.0
ORredhatenterprise_linux_eusMatch8.2
ORredhatenterprise_linux_eusMatch8.4
ORredhatenterprise_linux_for_power_little_endianMatch8.0
ORredhatenterprise_linux_for_power_little_endian_eusMatch8.2
ORredhatenterprise_linux_for_power_little_endian_eusMatch8.4
Node
redhatvirtualization_hostMatch4.0
redhatenterprise_linuxMatch8.0
Node
ovirtovirt-engineMatch4.4.10.2
Node
netapph300s_firmwareMatch-
netapph300sMatch-
Node
netapph500s_firmwareMatch-
netapph500sMatch-
Node
netapph700s_firmwareMatch-
netapph700sMatch-
Node
netapph300e_firmwareMatch-
netapph300eMatch-
Node
netapph500e_firmwareMatch-
netapph500eMatch-
Node
netapph700e_firmwareMatch-
netapph700eMatch-
Node
netapph410s_firmwareMatch-
netapph410sMatch-
Node
netapph410c_firmwareMatch-
netapph410cMatch-
Node
siemensscalance_lpe9403Match-
siemensscalance_lpe9403_firmwareRange<2.0
Node
sonicwallsma1000Match-
sonicwallsma1000_firmwareRangeā¤12.4.2-02044
References
packetstormsecurity.com/files/166229/Dirty-Pipe-Linux-Privilege-Escalation.html
packetstormsecurity.com/files/166230/Dirty-Pipe-SUID-Binary-Hijack-Privilege-Escalation.html
packetstormsecurity.com/files/166258/Dirty-Pipe-Local-Privilege-Escalation.html
packetstormsecurity.com/files/176534/Linux-4.20-KTLS-Read-Only-Write.html
bugzilla.redhat.com/show_bug.cgi?id=2060795
cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
dirtypipe.cm4all.com/
psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015
security.netapp.com/advisory/ntap-20220325-0005/
www.suse.com/support/kb/doc/?id=000020603
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7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.076 Low
EPSS
Percentile
94.2%
Related for NVD:CVE-2022-0847