CVE-2022-1154 Use after free in utf_ptr2char in vim/vim

High 7.8 Published Updated

A use-after-free vulnerability in Vim's utf_ptr2char function allows attackers to execute arbitrary code or cause a denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2022-1154?

CVE-2022-1154 is a high-severity use after free vulnerability in Debian Debian Linux, published on 30 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use after free in utf_ptr2char in GitHub repository vim/vim prior to 8.2.4646.

Weakness: CWE-416

Which versions are affected by CVE-2022-1154?

It affects 4 products.

Linux distribution packages (24)
vim-X11 AlmaLinux:8All versions2:8.0.1763-16.el8_5.13
vim-common AlmaLinux:8All versions2:8.0.1763-16.el8_5.13
vim-enhanced AlmaLinux:8All versions2:8.0.1763-16.el8_5.13
vim-filesystem AlmaLinux:8All versions2:8.0.1763-16.el8_5.13
vim-minimal AlmaLinux:8All versions2:8.0.1763-16.el8_5.13
vim-X11 Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-X11-debuginfo Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-common Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-common-debuginfo Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-debuginfo Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-debugsource Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-enhanced Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-enhanced-debuginfo Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-filesystem Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim-minimal-debuginfo Red Hat:enterprise_linux:8::appstreamAll versions2:8.0.1763-16.el8_5.13
vim Red Hat:enterprise_linux:8::baseosAll versions2:8.0.1763-16.el8_5.13
vim-X11-debuginfo Red Hat:enterprise_linux:8::baseosAll versions2:8.0.1763-16.el8_5.13
vim-common-debuginfo Red Hat:enterprise_linux:8::baseosAll versions2:8.0.1763-16.el8_5.13
vim-debuginfo Red Hat:enterprise_linux:8::baseosAll versions2:8.0.1763-16.el8_5.13
vim-debugsource Red Hat:enterprise_linux:8::baseosAll versions2:8.0.1763-16.el8_5.13
vim-enhanced-debuginfo Red Hat:enterprise_linux:8::baseosAll versions2:8.0.1763-16.el8_5.13
vim-minimal Red Hat:enterprise_linux:8::baseosAll versions2:8.0.1763-16.el8_5.13
vim-minimal-debuginfo Red Hat:enterprise_linux:8::baseosAll versions2:8.0.1763-16.el8_5.13
vim Rocky Linux:8All versions2:8.0.1763-16.el8_5.13

Products include Debian Debian Linux, Fedoraproject Fedora, Oracle Communications Cloud Native Core Network Exposure Function, Vim Vim.

How do I fix CVE-2022-1154?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-1154 being exploited?

There is no known exploitation of CVE-2022-1154 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2022-1154, ALSA-2022:1552, AZL-9189, CLSA-2022-1649869251, CLSA-2022-1649869286, CLSA-2022-1649869347 and 5 more.

Is CVE-2022-1154 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free