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Bug 891783 (CVE-2022-47016) - <app-misc/tmux-3.4: null pointer dereference
Summary: <app-misc/tmux-3.4: null pointer dereference
Status: IN_PROGRESS
Alias: CVE-2022-47016
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal normal
Assignee: Gentoo Security
URL: https://github.com/tmux/tmux/issues/3312
Whiteboard: A3 [glsa+ cleanup]
Keywords:
Depends on: 930955
Blocks:
  Show dependency tree
 
Reported: 2023-01-22 23:25 UTC by John Helmert III
Modified: 2024-09-28 07:07 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---

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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-01-22 23:25:05 UTC 
CVE-2022-47016:

A null pointer dereference issue was discovered in function window_pane_set_event in window.c in tmux 3.0 thru 3.3 allows attackers to cause denial of service or other unspecified impacts.

Upstream is no help in tracking a fix. The upstream issue says "Fixed
in OpenBSD, will be in GitHub later, thanks.", and subsequently locked
with no reference to any commit.
Comment 1 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-01-22 23:31:11 UTC 
I've asked about any fix: https://github.com/tmux/tmux/issues/3447
Comment 2 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-01-23 14:40:35 UTC 
Patch is not yet released: https://github.com/tmux/tmux/commit/e86752820993a00e3d28350cbe46878ba95d9012
Comment 3 Christopher Fore 2024-04-21 19:00:03 UTC 
Looks like the commit is now included in 3.4.
Comment 4 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2024-09-22 03:24:47 UTC 
Ping, can we clean up?
Comment 5 Larry the Git Cow gentoo-dev 2024-09-28 07:06:37 UTC 
The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/data/glsa.git/commit/?id=3baf7bbb7103e0fdd9d5d5ee0275b92c6d04fdb4

commit 3baf7bbb7103e0fdd9d5d5ee0275b92c6d04fdb4
Author:     GLSAMaker <glsamaker@gentoo.org>
AuthorDate: 2024-09-28 07:06:24 +0000
Commit:     Hans de Graaff <graaff@gentoo.org>
CommitDate: 2024-09-28 07:06:35 +0000

    [ GLSA 202409-27 ] tmux: Null Pointer Dereference
    
    Bug: https://bugs.gentoo.org/891783
    Signed-off-by: GLSAMaker <glsamaker@gentoo.org>
    Signed-off-by: Hans de Graaff <graaff@gentoo.org>

 glsa-202409-27.xml | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)