From: Vasiliy Kovalev <kovalev@altlinux.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sasha Levin <sashal@kernel.org>,
stable@vger.kernel.org
Cc: lvc-project@linuxtesting.org, nickel@altlinux.org,
dutyrok@altlinux.org, gerben@altlinux.org, kovalev@altlinux.org
Subject: [PATCH 5.10.y] scsi: core: Backport fixes for CVE-2021-47182
Date: Fri, 22 Nov 2024 22:07:01 +0300 [thread overview]
Message-ID: <20241122190702.230010-1-kovalev@altlinux.org> (raw)
The patch titled "scsi: core: Fix scsi_mode_sense() buffer length handling"
addresses CVE-2021-47182, fixing the following issues in `scsi_mode_sense()`
buffer length handling:
1. Incorrect handling of the allocation length field in the MODE SENSE(10)
command, causing truncation of buffer lengths larger than 255 bytes.
2. Memory corruption when handling small buffer lengths due to lack of proper
validation.
Original patch submission:
https://lore.kernel.org/all/20210820070255.682775-2-damien.lemoal@wdc.com/
CVE announcement in linux-cve-announce:
https://lore.kernel.org/linux-cve-announce/2024041032-CVE-2021-47182-377e@gregkh/
Fixed versions:
- Fixed in 5.15.5 with commit e15de347faf4
- Fixed in 5.16 with commit 17b49bcbf835
Official CVE entry:
https://cve.org/CVERecord/?id=CVE-2021-47182
[PATCH 5.10.y] scsi: core: Fix scsi_mode_sense() buffer length handling
next reply other threads:[~2024-11-22 19:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-22 19:07 Vasiliy Kovalev [this message]
2024-11-22 19:07 ` [PATCH 5.10.y] scsi: core: Fix scsi_mode_sense() buffer length handling Vasiliy Kovalev
2024-11-22 19:39 ` Sasha Levin
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