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CVE-2022-29581

HIGH
7.8
CVSS Score
Published: May 17, 2022 at 04:50 PM UTC
Updated: June 17, 2026 at 04:40 AM UTC
19 products affected across 4 vendorsLinux KernelDebian LinuxUbuntu Linux

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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%
SSVC
PoC

Description

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
14.0416.0418.0420.0422.04
Debian Linux· Debiandrupal
95%
10.0
Linux Kernel· Linux
95%
v ≥ 4.14v < 5.184.14 ≤ v < 4.14.2784.15 ≤ v < 4.19.2414.20 ≤ v < 5.4.1915.11 ≤ v < 5.15.365.16 ≤ v < 5.17.55.5 ≤ v < 5.10.1134.14
Affected range stops below 4.14.278, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.19.241, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.113, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.36, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.17.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.191, so it looks safe — our inference, not a vendor statement
H300E Firmware· NetAppdrupal
95%
All versions
netapp-h300e (same device)
H300S Firmware· NetAppdrupal
95%
All versions
netapp-h300s (same device)
H410C Firmware· NetAppdrupal
95%
All versions
netapp-h410c (same device)
H410S Firmware· NetAppdrupal
95%
All versions
netapp-h410s (same device)
H500E Firmware· NetAppdrupal
95%
All versions
netapp-h500e (same device)
H500S Firmware· NetAppdrupal
95%
All versions
netapp-h500s (same device)
H700E Firmware· NetAppdrupal
95%
All versions
netapp-h700e (same device)

References (7)

x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/05/18/2
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3db09e762dc79584a69c10d74a6b98f89a9979f8
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20220629-0005/
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2022/dsa-5173

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHGoogle
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-911NVD-CWE-Other

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