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{
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"data_version" : "4.0" ,
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"data_type" : "CVE" ,
"data_format" : "MITRE" ,
"CVE_data_meta" : {
"ID" : "CVE-2024-46798" ,
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"ASSIGNER" : "cve@kernel.org" ,
"STATE" : "PUBLIC"
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} ,
"description" : {
"description_data" : [
{
"lang" : "eng" ,
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"value" : "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: dapm: Fix UAF for snd_soc_pcm_runtime object\n\nWhen using kernel with the following extra config,\n\n - CONFIG_KASAN=y\n - CONFIG_KASAN_GENERIC=y\n - CONFIG_KASAN_INLINE=y\n - CONFIG_KASAN_VMALLOC=y\n - CONFIG_FRAME_WARN=4096\n\nkernel detects that snd_pcm_suspend_all() access a freed\n'snd_soc_pcm_runtime' object when the system is suspended, which\nleads to a use-after-free bug:\n\n[ 52.047746] BUG: KASAN: use-after-free in snd_pcm_suspend_all+0x1a8/0x270\n[ 52.047765] Read of size 1 at addr ffff0000b9434d50 by task systemd-sleep/2330\n\n[ 52.047785] Call trace:\n[ 52.047787] dump_backtrace+0x0/0x3c0\n[ 52.047794] show_stack+0x34/0x50\n[ 52.047797] dump_stack_lvl+0x68/0x8c\n[ 52.047802] print_address_description.constprop.0+0x74/0x2c0\n[ 52.047809] kasan_report+0x210/0x230\n[ 52.047815] __asan_report_load1_noabort+0x3c/0x50\n[ 52.047820] snd_pcm_suspend_all+0x1a8/0x270\n[ 52.047824] snd_soc_suspend+0x19c/0x4e0\n\nThe snd_pcm_sync_stop() has a NULL check on 'substream->runtime' before\nmaking any access. So we need to always set 'substream->runtime' to NULL\neverytime we kfree() it."
}
]
} ,
"problemtype" : {
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{
"description" : [
{
"lang" : "eng" ,
"value" : "n/a"
}
]
}
]
} ,
"affects" : {
"vendor" : {
"vendor_data" : [
{
"vendor_name" : "Linux" ,
"product" : {
"product_data" : [
{
"product_name" : "Linux" ,
"version" : {
"version_data" : [
{
"version_affected" : "<" ,
"version_name" : "a72706ed8208" ,
"version_value" : "993b60c7f93f"
} ,
{
"version_value" : "not down converted" ,
"x_cve_json_5_version_data" : {
"versions" : [
{
"version" : "5.4" ,
"status" : "affected"
} ,
{
"version" : "0" ,
"lessThan" : "5.4" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "5.4.284" ,
"lessThanOrEqual" : "5.4.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "5.10.226" ,
"lessThanOrEqual" : "5.10.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "5.15.167" ,
"lessThanOrEqual" : "5.15.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.1.110" ,
"lessThanOrEqual" : "6.1.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.6.51" ,
"lessThanOrEqual" : "6.6.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.10.10" ,
"lessThanOrEqual" : "6.10.*" ,
"status" : "unaffected" ,
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"versionType" : "semver"
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} ,
{
"version" : "6.11" ,
"lessThanOrEqual" : "*" ,
"status" : "unaffected" ,
"versionType" : "original_commit_for_fix"
}
] ,
"defaultStatus" : "affected"
}
}
]
}
}
]
}
}
]
}
} ,
"references" : {
"reference_data" : [
{
"url" : "https://git.kernel.org/stable/c/993b60c7f93fa1d8ff296b58f646a867e945ae89" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/993b60c7f93fa1d8ff296b58f646a867e945ae89"
} ,
{
"url" : "https://git.kernel.org/stable/c/8ca21e7a27c66b95a4b215edc8e45e5d66679f9f" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/8ca21e7a27c66b95a4b215edc8e45e5d66679f9f"
} ,
{
"url" : "https://git.kernel.org/stable/c/3033ed903b4f28b5e1ab66042084fbc2c48f8624" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/3033ed903b4f28b5e1ab66042084fbc2c48f8624"
} ,
{
"url" : "https://git.kernel.org/stable/c/fe5046ca91d631ec432eee3bdb1f1c49b09c8b5e" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/fe5046ca91d631ec432eee3bdb1f1c49b09c8b5e"
} ,
{
"url" : "https://git.kernel.org/stable/c/5d13afd021eb43868fe03cef6da34ad08831ad6d" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/5d13afd021eb43868fe03cef6da34ad08831ad6d"
} ,
{
"url" : "https://git.kernel.org/stable/c/6a14fad8be178df6c4589667efec1789a3307b4e" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/6a14fad8be178df6c4589667efec1789a3307b4e"
} ,
{
"url" : "https://git.kernel.org/stable/c/b4a90b543d9f62d3ac34ec1ab97fc5334b048565" ,
"refsource" : "MISC" ,
"name" : "https://git.kernel.org/stable/c/b4a90b543d9f62d3ac34ec1ab97fc5334b048565"
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}
]
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