AI Score
Confidence
Low
EPSS
Percentile
13.0%
SSVC
Exploitation
none
Automatable
no
Technical Impact
partial
In the Linux kernel, the following vulnerability has been resolved:
ieee802154: ca8210: Fix a potential UAF in ca8210_probe
If of_clk_add_provider() fails in ca8210_register_ext_clock(),
it calls clk_unregister() to release priv->clk and returns an
error. However, the caller ca8210_probe() then calls ca8210_remove(),
where priv->clk is freed again in ca8210_unregister_ext_clock(). In
this case, a use-after-free may happen in the second time we call
clk_unregister().
Fix this by removing the first clk_unregister(). Also, priv->clk could
be an error code on failure of clk_register_fixed_rate(). Use
IS_ERR_OR_NULL to catch this case in ca8210_unregister_ext_clock().
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ieee802154/ca8210.c"
],
"versions": [
{
"version": "ded845a781a5",
"lessThan": "28b68cba378e",
"status": "affected",
"versionType": "git"
},
{
"version": "ded845a781a5",
"lessThan": "cdb46be93c1f",
"status": "affected",
"versionType": "git"
},
{
"version": "ded845a781a5",
"lessThan": "85c2857ef900",
"status": "affected",
"versionType": "git"
},
{
"version": "ded845a781a5",
"lessThan": "55e06850c789",
"status": "affected",
"versionType": "git"
},
{
"version": "ded845a781a5",
"lessThan": "84c6aa0ae5c4",
"status": "affected",
"versionType": "git"
},
{
"version": "ded845a781a5",
"lessThan": "217efe32a452",
"status": "affected",
"versionType": "git"
},
{
"version": "ded845a781a5",
"lessThan": "becf5c147198",
"status": "affected",
"versionType": "git"
},
{
"version": "ded845a781a5",
"lessThan": "f990874b1c98",
"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/net/ieee802154/ca8210.c"
],
"versions": [
{
"version": "4.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.12",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.14.328",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.19.297",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.259",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.199",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.136",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.59",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.5.8",
"lessThanOrEqual": "6.5.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/217efe32a45249eb07dcd7197e8403de98345e66
git.kernel.org/stable/c/28b68cba378e3e50a4082b65f262bc4f2c7c2add
git.kernel.org/stable/c/55e06850c7894f00d41b767c5f5665459f83f58f
git.kernel.org/stable/c/84c6aa0ae5c4dc121f9996bb8fed46c80909d80e
git.kernel.org/stable/c/85c2857ef90041f567ce98722c1c342c4d31f4bc
git.kernel.org/stable/c/becf5c147198f4345243c5df0c4f035415491640
git.kernel.org/stable/c/cdb46be93c1f7bbf2c4649e9fc5fb147cfb5245d
git.kernel.org/stable/c/f990874b1c98fe8e57ee9385669f501822979258