In the Linux kernel, the following vulnerability has been resolved:
clk: zynq: Prevent null pointer dereference caused by kmalloc failure
The kmalloc() in zynq_clk_setup() will return null if the
physical memory has run out. As a result, if we use snprintf()
to write data to the null address, the null pointer dereference
bug will happen.
This patch uses a stack variable to replace the kmalloc().
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/clk/zynq/clkc.c"
],
"versions": [
{
"version": "0ee52b157b8e",
"lessThan": "01511ac7be8e",
"status": "affected",
"versionType": "git"
},
{
"version": "0ee52b157b8e",
"lessThan": "8c4889a9ea86",
"status": "affected",
"versionType": "git"
},
{
"version": "0ee52b157b8e",
"lessThan": "0801c893fd48",
"status": "affected",
"versionType": "git"
},
{
"version": "0ee52b157b8e",
"lessThan": "ca976c6a592f",
"status": "affected",
"versionType": "git"
},
{
"version": "0ee52b157b8e",
"lessThan": "58a946ab4350",
"status": "affected",
"versionType": "git"
},
{
"version": "0ee52b157b8e",
"lessThan": "7938e9ce39d6",
"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/clk/zynq/clkc.c"
],
"versions": [
{
"version": "3.11",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.11",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.153",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.83",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6.23",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.7.11",
"lessThanOrEqual": "6.7.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.8.2",
"lessThanOrEqual": "6.8.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.9",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/01511ac7be8e45f80e637f6bf61af2d3d2dee9db
git.kernel.org/stable/c/0801c893fd48cdba66a3c8f44c3fe43cc67d3b85
git.kernel.org/stable/c/58a946ab43501f2eba058d24d96af0ad1122475b
git.kernel.org/stable/c/7938e9ce39d6779d2f85d822cc930f73420e54a6
git.kernel.org/stable/c/8c4889a9ea861d7be37463c10846eb75e1b49c9d
git.kernel.org/stable/c/ca976c6a592f789700200069ef9052493c0b73d8