From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-cve-announce@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@kernel.org>
Subject: CVE-2026-64153: drm/msm: Fix iommu_map_sgtable() return value check and avoid WARN
Date: Sun, 19 Jul 2026 17:40:15 +0200 [thread overview]
Message-ID: <2026071932-CVE-2026-64153-812b@gregkh> (raw)
From: Greg Kroah-Hartman <gregkh@kernel.org>
Description
===========
In the Linux kernel, the following vulnerability has been resolved:
drm/msm: Fix iommu_map_sgtable() return value check and avoid WARN
Commit "iommu: return full error code from iommu_map_sg[_atomic]()"
changed iommu_map_sgtable() to return an ssize_t and negative values
in error cases, rather than a size_t and a zero.
Store the return value in the appropriate type and in case of error,
return it rather than WARNing.
Patchwork: https://patchwork.freedesktop.org/patch/719685/
The Linux kernel CVE team has assigned CVE-2026-64153 to this issue.
Affected and fixed versions
===========================
Issue introduced in 5.15 with commit ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and fixed in 5.15.209 with commit 3c2cdb7c07f664b77e2a75b50793b845d5742efa
Issue introduced in 5.15 with commit ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and fixed in 6.1.175 with commit 3e3c3c95ef4fe17231a9149e27bcfc9dae2dd89f
Issue introduced in 5.15 with commit ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and fixed in 6.6.142 with commit 7256e54583aee21e23929e7554278c2f5c1a08b1
Issue introduced in 5.15 with commit ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and fixed in 6.12.92 with commit 3457807aeb88077712f0a7cb65c3ca5120773d75
Issue introduced in 5.15 with commit ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and fixed in 6.18.34 with commit f4e37f3df436c2bdd2621c21f9c72c8f149a221d
Issue introduced in 5.15 with commit ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and fixed in 7.0.11 with commit 3a45af37733446e114bf19b0209fe7d8089bdb8b
Issue introduced in 5.15 with commit ad8f36e4b6b1c826a0daa5fda2c5839205b5aa8b and fixed in 7.1 with commit 55e0f0d1c1a4ee1e46da7da4d443eb3044fb3851
Please see https://www.kernel.org for a full list of currently supported
kernel versions by the kernel community.
Unaffected versions might change over time as fixes are backported to
older supported kernel versions. The official CVE entry at
https://cve.org/CVERecord/?id=CVE-2026-64153
will be updated if fixes are backported, please check that for the most
up to date information about this issue.
Affected files
==============
The file(s) affected by this issue are:
drivers/gpu/drm/msm/msm_iommu.c
Mitigation
==========
The Linux kernel CVE team recommends that you update to the latest
stable kernel version for this, and many other bugfixes. Individual
changes are never tested alone, but rather are part of a larger kernel
release. Cherry-picking individual commits is not recommended or
supported by the Linux kernel community at all. If however, updating to
the latest release is impossible, the individual changes to resolve this
issue can be found at these commits:
https://git.kernel.org/stable/c/3c2cdb7c07f664b77e2a75b50793b845d5742efa
https://git.kernel.org/stable/c/3e3c3c95ef4fe17231a9149e27bcfc9dae2dd89f
https://git.kernel.org/stable/c/7256e54583aee21e23929e7554278c2f5c1a08b1
https://git.kernel.org/stable/c/3457807aeb88077712f0a7cb65c3ca5120773d75
https://git.kernel.org/stable/c/f4e37f3df436c2bdd2621c21f9c72c8f149a221d
https://git.kernel.org/stable/c/3a45af37733446e114bf19b0209fe7d8089bdb8b
https://git.kernel.org/stable/c/55e0f0d1c1a4ee1e46da7da4d443eb3044fb3851
reply other threads:[~2026-07-19 15:46 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2026071932-CVE-2026-64153-812b@gregkh \
--to=gregkh@linuxfoundation.org \
--cc=cve@kernel.org \
--cc=gregkh@kernel.org \
--cc=linux-cve-announce@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox