CVE-2022-48904
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-48904
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48904.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-48904
- Downstream
- Related
- Published
- 2024-08-22T01:30:28Z
- Modified
- 2025-10-14T20:59:11.671376Z
- Summary
- iommu/amd: Fix I/O page table memory leak
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
iommu/amd: Fix I/O page table memory leak
The current logic updates the I/O page table mode for the domain before calling the logic to free memory used for the page table. This results in IOMMU page table memory leak, and can be observed when launching VM w/ pass-through devices.
Fix by freeing the memory used for page table before updating the mode.
- References
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducede42ba0633064ef23eb1c8c21edf96bac1541bd4bFixed378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducede42ba0633064ef23eb1c8c21edf96bac1541bd4bFixedc78627f757e37c2cf386b59c700c4e1574988597
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducede42ba0633064ef23eb1c8c21edf96bac1541bd4bFixed6b0b2d9a6a308bcd9300c2d83000a82812c56cea
Affected versions
v5.*
v5.11
v5.11-rc6
v5.11-rc7
v5.12
v5.12-rc1
v5.12-rc1-dontuse
v5.12-rc2
v5.12-rc3
v5.12-rc4
v5.12-rc5
v5.12-rc6
v5.12-rc7
v5.12-rc8
v5.13
v5.13-rc1
v5.13-rc2
v5.13-rc3
v5.13-rc4
v5.13-rc5
v5.13-rc6
v5.13-rc7
v5.14
v5.14-rc1
v5.14-rc2
v5.14-rc3
v5.14-rc4
v5.14-rc5
v5.14-rc6
v5.14-rc7
v5.15
v5.15-rc1
v5.15-rc2
v5.15-rc3
v5.15-rc4
v5.15-rc5
v5.15-rc6
v5.15-rc7
v5.15.1
v5.15.10
v5.15.11
v5.15.12
v5.15.13
v5.15.14
v5.15.15
v5.15.16
v5.15.17
v5.15.18
v5.15.19
v5.15.2
v5.15.20
v5.15.21
v5.15.22
v5.15.23
v5.15.24
v5.15.25
v5.15.26
v5.15.3
v5.15.4
v5.15.5
v5.15.6
v5.15.7
v5.15.8
v5.15.9
v5.16
v5.16-rc1
v5.16-rc2
v5.16-rc3
v5.16-rc4
v5.16-rc5
v5.16-rc6
v5.16-rc7
v5.16-rc8
v5.16.1
v5.16.10
v5.16.11
v5.16.12
v5.16.2
v5.16.3
v5.16.4
v5.16.5
v5.16.6
v5.16.7
v5.16.8
v5.16.9
v5.17-rc1
v5.17-rc2
v5.17-rc3
v5.17-rc4
Database specific
{
"vanir_signatures": [
{
"id": "CVE-2022-48904-03fda12f",
"signature_type": "Line",
"target": {
"file": "drivers/iommu/amd/io_pgtable.c"
},
"deprecated": false,
"digest": {
"line_hashes": [
"141309934316173352263090154744206221265",
"156365358467898981835299419373877886664",
"90338082794977363460089722983013530141",
"304647592045775861387212238540583054251",
"102158773101744283200855273705242063706",
"330090183383393708999654593995565908475",
"143305160483524099020323758819963888345",
"304956140165401180025197688978630042094"
],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6b0b2d9a6a308bcd9300c2d83000a82812c56cea"
},
{
"id": "CVE-2022-48904-0f6bca39",
"signature_type": "Line",
"target": {
"file": "drivers/iommu/amd/io_pgtable.c"
},
"deprecated": false,
"digest": {
"line_hashes": [
"141309934316173352263090154744206221265",
"156365358467898981835299419373877886664",
"90338082794977363460089722983013530141",
"304647592045775861387212238540583054251",
"143232009286067666636277614315727474143",
"297722451202315982706500830816035762045",
"336011344512399370088908938614853847742",
"69712537499932375653454275110177318706"
],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c78627f757e37c2cf386b59c700c4e1574988597"
},
{
"id": "CVE-2022-48904-4b3c794a",
"signature_type": "Function",
"target": {
"file": "drivers/iommu/amd/io_pgtable.c",
"function": "v1_free_pgtable"
},
"deprecated": false,
"digest": {
"length": 524.0,
"function_hash": "171315738255733908021047173056698153941"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6"
},
{
"id": "CVE-2022-48904-c89a18be",
"signature_type": "Function",
"target": {
"file": "drivers/iommu/amd/io_pgtable.c",
"function": "v1_free_pgtable"
},
"deprecated": false,
"digest": {
"length": 484.0,
"function_hash": "322583235995093329143920601558054555549"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6b0b2d9a6a308bcd9300c2d83000a82812c56cea"
},
{
"id": "CVE-2022-48904-f772bbfc",
"signature_type": "Function",
"target": {
"file": "drivers/iommu/amd/io_pgtable.c",
"function": "v1_free_pgtable"
},
"deprecated": false,
"digest": {
"length": 524.0,
"function_hash": "171315738255733908021047173056698153941"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c78627f757e37c2cf386b59c700c4e1574988597"
},
{
"id": "CVE-2022-48904-ff9c023f",
"signature_type": "Line",
"target": {
"file": "drivers/iommu/amd/io_pgtable.c"
},
"deprecated": false,
"digest": {
"line_hashes": [
"141309934316173352263090154744206221265",
"156365358467898981835299419373877886664",
"90338082794977363460089722983013530141",
"304647592045775861387212238540583054251",
"143232009286067666636277614315727474143",
"297722451202315982706500830816035762045",
"336011344512399370088908938614853847742",
"69712537499932375653454275110177318706"
],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6"
}
]
}