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🛡️ CVE-2022-0847 on Ubuntu — linux-aws-5.0

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A flaw was found in the way the "flags" 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.

Distribution advisory

This page covers CVE-2022-0847 as tracked by Ubuntu, for the package linux-aws-5.0. The fix is available in version 5.13.0-1017.19~20.04.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Affected software

UBUNTU-CVE-2022-0847 is recorded against 38 packages.

  • linux-aws-5.0
  • linux-aws-5.11
  • linux-aws-5.13 (fixed in 5.13.0-1017.19~20.04.1)
  • linux-aws-5.3
  • linux-aws-5.8
  • linux-azure
  • linux-azure-5.11
  • linux-azure-5.13 (fixed in 5.13.0-1017.19~20.04.1)
  • linux-azure-5.3
  • linux-azure-5.8
  • linux-azure-edge
  • linux-gcp
  • linux-gcp-5.11
  • linux-gcp-5.13 (fixed in 5.13.0-1019.23~20.04.1)
  • linux-gcp-5.3
  • linux-gcp-5.8
  • linux-gke-4.15
  • linux-hwe
  • linux-hwe-5.11
  • linux-hwe-5.13 (fixed in 5.13.0-35.40~20.04.1)
  • linux-hwe-5.8
  • linux-hwe-edge
  • linux-intel-5.13 (fixed in 5.13.0-1010.10)
  • linux-intel-iotg-5.15 (fixed in 5.15.0-1008.11~20.04.1)
Show the remaining 14 packages
  • linux-oem
  • linux-oem-5.10
  • linux-oem-5.13
  • linux-oem-5.14 (fixed in 5.14.0-1027.30)
  • linux-oem-5.6
  • linux-oracle-5.0
  • linux-oracle-5.11
  • linux-oracle-5.13 (fixed in 5.13.0-1021.26~20.04.1)
  • linux-oracle-5.3
  • linux-oracle-5.8
  • linux-raspi2
  • linux-riscv
  • linux-riscv-5.11
  • linux-riscv-5.8

Timeline and source

Published on 7 March 2022 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
dirtypipe.cm4all.com (Report)
www.openwall.com (Report)
ubuntu.com (Advisory)
wiki.ubuntu.com (Report)
ubuntu.com (Advisory)
www.cve.org (Report)
www.cisa.gov (Report)

Other advisories for this package

linux-aws-5.0 has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2022-0847 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2022-03-07
Updated 2026-08-20
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
linux-aws-5.0 — —
linux-aws-5.11 — —
linux-aws-5.13 — 5.13.0-1017.19~20.04.1
linux-aws-5.3 — —
linux-aws-5.8 — —
linux-azure — —
linux-azure-5.11 — —
linux-azure-5.13 — 5.13.0-1017.19~20.04.1
linux-azure-5.3 — —
linux-azure-5.8 — —
linux-azure-edge — —
linux-gcp — —
linux-gcp-5.11 — —
linux-gcp-5.13 — 5.13.0-1019.23~20.04.1
linux-gcp-5.3 — —
linux-gcp-5.8 — —
linux-gke-4.15 — —
linux-hwe — —
linux-hwe-5.11 — —
linux-hwe-5.13 — 5.13.0-35.40~20.04.1
linux-hwe-5.8 — —
linux-hwe-edge — —
linux-intel-5.13 — 5.13.0-1010.10
linux-intel-iotg-5.15 — 5.15.0-1008.11~20.04.1
linux-oem — —
linux-oem-5.10 — —
linux-oem-5.13 — —
linux-oem-5.14 — 5.14.0-1027.30
linux-oem-5.6 — —
linux-oracle-5.0 — —
linux-oracle-5.11 — —
linux-oracle-5.13 — 5.13.0-1021.26~20.04.1
linux-oracle-5.3 — —
linux-oracle-5.8 — —
linux-raspi2 — —
linux-riscv — —
linux-riscv-5.11 — —
linux-riscv-5.8 — —

Site Security Check

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