In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: configfs: Prevent OOB read/write in usb_string_copy()
Userspace provided string ‘s’ could trivially have the length zero. Left
unchecked this will firstly result in an OOB read in the form
if (str[0 - 1] == '\n') followed closely by an OOB write in the form
str[0 - 1] = ‘\0’`.
There is already a validating check to catch strings that are too long.
Let’s supply an additional check for invalid strings that are too short.
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/usb/gadget/configfs.c"
],
"versions": [
{
"version": "1da177e4c3f4",
"lessThan": "a444c3fc2641",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "c95fbdde87e3",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "e8474a10c535",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "72b8ee0d9826",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "2d16f63d8030",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "d1205033e912",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "eecfefad0953",
"status": "affected",
"versionType": "git"
},
{
"version": "1da177e4c3f4",
"lessThan": "6d3c721e686e",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/usb/gadget/configfs.c"
],
"versions": [
{
"version": "4.19.318",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.280",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.222",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.163",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.100",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6.41",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.9.10",
"lessThanOrEqual": "6.9.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.10",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/2d16f63d8030903e5031853e79d731ee5d474e70
git.kernel.org/stable/c/6d3c721e686ea6c59e18289b400cc95c76e927e0
git.kernel.org/stable/c/72b8ee0d9826e8ed00e0bdfce3e46b98419b37ce
git.kernel.org/stable/c/a444c3fc264119801575ab086e03fb4952f23fd0
git.kernel.org/stable/c/c95fbdde87e39e5e0ae27f28bf6711edfb985caa
git.kernel.org/stable/c/d1205033e912f9332c1dbefa812e6ceb0575ce0a
git.kernel.org/stable/c/e8474a10c535e6a2024c3b06e37e4a3a23beb490
git.kernel.org/stable/c/eecfefad0953b2f31aaefa058f7f348ff39c4bba