CVE-2022-49063
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-49063
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49063.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49063
- Downstream
- Related
- Published
- 2025-02-26T01:54:32Z
- Modified
- 2025-10-21T09:06:21.562632Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- ice: arfs: fix use-after-free when freeing @rx_cpu_rmap
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ice: arfs: fix use-after-free when freeing @rxcpurmap
The CI testing bots triggered the following splat:
[ 718.203054] BUG: KASAN: use-after-free in freeirqcpurmap+0x53/0x80 [ 718.206349] Read of size 4 at addr ffff8881bd127e00 by task sh/20834 [ 718.212852] CPU: 28 PID: 20834 Comm: sh Kdump: loaded Tainted: G S W IOE 5.17.0-rc8nextqueue-devqueue-02643-g23f3121aca93 #1 [ 718.219695] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0012.070720200218 07/07/2020 [ 718.223418] Call Trace: [ 718.227139] [ 718.230783] dumpstacklvl+0x33/0x42 [ 718.234431] printaddressdescription.constprop.9+0x21/0x170 [ 718.238177] ? freeirqcpurmap+0x53/0x80 [ 718.241885] ? freeirqcpurmap+0x53/0x80 [ 718.245539] kasanreport.cold.18+0x7f/0x11b [ 718.249197] ? freeirqcpurmap+0x53/0x80 [ 718.252852] freeirqcpurmap+0x53/0x80 [ 718.256471] icefreecpurxrmap.part.11+0x37/0x50 [ice] [ 718.260174] iceremovearfs+0x5f/0x70 [ice] [ 718.263810] icerebuildarfs+0x3b/0x70 [ice] [ 718.267419] icerebuild+0x39c/0xb60 [ice] [ 718.270974] ? asmsysvecapictimerinterrupt+0x12/0x20 [ 718.274472] ? iceinitphyusercfg+0x360/0x360 [ice] [ 718.278033] ? delaytsc+0x4a/0xb0 [ 718.281513] ? preemptcountsub+0x14/0xc0 [ 718.284984] ? delaytsc+0x8f/0xb0 [ 718.288463] icedoreset+0x92/0xf0 [ice] [ 718.292014] icepcierrresume+0x91/0xf0 [ice] [ 718.295561] pcireset_function+0x53/0x80 <...> [ 718.393035] Allocated by task 690: [ 718.433497] Freed by task 20834: [ 718.495688] Last potentially related work creation: [ 718.568966] The buggy address belongs to the object at ffff8881bd127e00 which belongs to the cache kmalloc-96 of size 96 [ 718.574085] The buggy address is located 0 bytes inside of 96-byte region [ffff8881bd127e00, ffff8881bd127e60) [ 718.579265] The buggy address belongs to the page: [ 718.598905] Memory state around the buggy address: [ 718.601809] ffff8881bd127d00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 718.604796] ffff8881bd127d80: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc [ 718.607794] >ffff8881bd127e00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 718.610811] ^ [ 718.613819] ffff8881bd127e80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 718.617107] ffff8881bd127f00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
This is due to that freeirqcpurmap() is always being called *after* (devm)freeirq() and thus it tries to work with IRQ descs already freed. For example, on device reset the driver frees the rmap right before allocating a new one (the splat above). Make rmap creation and freeing function symmetrical with {request,free}irq() calls i.e. do that on ifup/ifdown instead of device probe/remove/resume. These operations can be performed independently from the actual device aRFS configuration. Also, make sure icevsifree_irq() clears IRQ affinity notifiers only when aRFS is disabled -- otherwise, CPU rmap sets and clears its own and they must not be touched manually.
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/618df75f2e30c7838a3e010ca32cd4893ec9fe33
- https://git.kernel.org/stable/c/ba2f6ec28733fb6b24ed086e676df3df4c138f3f
- https://git.kernel.org/stable/c/d08d2fb6d99d82da1c63aba5c0d1c6f237e150f3
- https://git.kernel.org/stable/c/d7442f512b71fc63a99c8a801422dde4fbbf9f93
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
-
Introduced28bf26724fdb0e02267d19e280d6717ee810a10dFixedba2f6ec28733fb6b24ed086e676df3df4c138f3f
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced28bf26724fdb0e02267d19e280d6717ee810a10dFixed618df75f2e30c7838a3e010ca32cd4893ec9fe33
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced28bf26724fdb0e02267d19e280d6717ee810a10dFixedd08d2fb6d99d82da1c63aba5c0d1c6f237e150f3
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced28bf26724fdb0e02267d19e280d6717ee810a10dFixedd7442f512b71fc63a99c8a801422dde4fbbf9f93
Affected versions
v5.*
v5.10
v5.10-rc1
v5.10-rc2
v5.10-rc3
v5.10-rc4
v5.10-rc5
v5.10-rc6
v5.10-rc7
v5.10.1
v5.10.10
v5.10.100
v5.10.101
v5.10.102
v5.10.103
v5.10.104
v5.10.105
v5.10.106
v5.10.107
v5.10.108
v5.10.109
v5.10.11
v5.10.110
v5.10.111
v5.10.112
v5.10.113
v5.10.114
v5.10.115
v5.10.116
v5.10.117
v5.10.118
v5.10.119
v5.10.12
v5.10.120
v5.10.121
v5.10.122
v5.10.123
v5.10.124
v5.10.125
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v5.10.127
v5.10.128
v5.10.129
v5.10.13
v5.10.130
v5.10.131
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v5.10.133
v5.10.134
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v5.10.138
v5.10.139
v5.10.14
v5.10.140
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v5.10.2
v5.10.20
v5.10.200
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v5.10.203
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v5.10.236
v5.10.237
v5.10.24
v5.10.25
v5.10.26
v5.10.27
v5.10.28
v5.10.29
v5.10.3
v5.10.30
v5.10.31
v5.10.32
v5.10.33
v5.10.34
v5.10.35
v5.10.36
v5.10.37
v5.10.38
v5.10.39
v5.10.4
v5.10.40
v5.10.41
v5.10.42
v5.10.43
v5.10.44
v5.10.45
v5.10.46
v5.10.47
v5.10.48
v5.10.49
v5.10.5
v5.10.50
v5.10.51
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v5.10.53
v5.10.54
v5.10.55
v5.10.56
v5.10.57
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v5.10.59
v5.10.6
v5.10.60
v5.10.61
v5.10.62
v5.10.63
v5.10.64
v5.10.65
v5.10.66
v5.10.67
v5.10.68
v5.10.69
v5.10.7
v5.10.70
v5.10.71
v5.10.72
v5.10.73
v5.10.74
v5.10.75
v5.10.76
v5.10.77
v5.10.78
v5.10.79
v5.10.8
v5.10.80
v5.10.81
v5.10.82
v5.10.83
v5.10.84
v5.10.85
v5.10.86
v5.10.87
v5.10.88
v5.10.89
v5.10.9
v5.10.90
v5.10.91
v5.10.92
v5.10.93
v5.10.94
v5.10.95
v5.10.96
v5.10.97
v5.10.98
v5.10.99
v5.11
v5.11-rc1
v5.11-rc2
v5.11-rc3
v5.11-rc4
v5.11-rc5
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
v5.15.100
v5.15.101
v5.15.102
v5.15.103
v5.15.104
v5.15.105
v5.15.106
v5.15.107
v5.15.108
v5.15.109
v5.15.11
v5.15.110
v5.15.111
v5.15.112
v5.15.113
v5.15.114
v5.15.115
v5.15.116
v5.15.117
v5.15.118
v5.15.119
v5.15.12
v5.15.120
v5.15.121
v5.15.122
v5.15.123
v5.15.124
v5.15.125
v5.15.126
v5.15.127
v5.15.128
v5.15.129
v5.15.13
v5.15.130
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v5.15.132
v5.15.133
v5.15.134
v5.15.135
v5.15.136
v5.15.137
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v5.15.14
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v5.15.16
v5.15.160
v5.15.161
v5.15.162
v5.15.163
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v5.15.165
v5.15.166
v5.15.167
v5.15.168
v5.15.169
v5.15.17
v5.15.170
v5.15.171
v5.15.172
v5.15.173
v5.15.174
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v5.15.176
v5.15.177
v5.15.178
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v5.15.18
v5.15.180
v5.15.181
v5.15.182
v5.15.183
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
v5.15.27
v5.15.28
v5.15.29
v5.15.3
v5.15.30
v5.15.31
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v5.15.33
v5.15.34
v5.15.35
v5.15.36
v5.15.37
v5.15.38
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v5.15.4
v5.15.40
v5.15.41
v5.15.42
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v5.15.44
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v5.15.46
v5.15.47
v5.15.48
v5.15.49
v5.15.5
v5.15.50
v5.15.51
v5.15.52
v5.15.53
v5.15.54
v5.15.55
v5.15.56
v5.15.57
v5.15.58
v5.15.59
v5.15.6
v5.15.60
v5.15.61
v5.15.62
v5.15.63
v5.15.64
v5.15.65
v5.15.66
v5.15.67
v5.15.68
v5.15.69
v5.15.7
v5.15.70
v5.15.71
v5.15.72
v5.15.73
v5.15.74
v5.15.75
v5.15.76
v5.15.77
v5.15.78
v5.15.79
v5.15.8
v5.15.80
v5.15.81
v5.15.82
v5.15.83
v5.15.84
v5.15.85
v5.15.86
v5.15.87
v5.15.88
v5.15.89
v5.15.9
v5.15.90
v5.15.91
v5.15.92
v5.15.93
v5.15.94
v5.15.95
v5.15.96
v5.15.97
v5.15.98
v5.15.99
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
v5.17
v5.17-rc1
v5.17-rc2
v5.17-rc3
v5.17-rc4
v5.17-rc5
v5.17-rc6
v5.17-rc7
v5.17-rc8
v5.17.1
v5.17.2
v5.17.3
v5.18-rc1
v5.7
v5.7-rc6
v5.7-rc7
v5.8
v5.8-rc1
v5.8-rc2
v5.8-rc3
v5.8-rc4
v5.8-rc5
v5.8-rc6
v5.8-rc7
v5.9
v5.9-rc1
v5.9-rc2
v5.9-rc3
v5.9-rc4
v5.9-rc5
v5.9-rc6
v5.9-rc7
v5.9-rc8
Database specific
vanir_signatures
[
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ba2f6ec28733fb6b24ed086e676df3df4c138f3f",
"target": {
"function": "ice_suspend",
"file": "drivers/net/ethernet/intel/ice/ice_main.c"
},
"deprecated": false,
"id": "CVE-2022-49063-037d8425",
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"length": 902.0,
"function_hash": "150303562821327540125542430840043583670"
}
},
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d08d2fb6d99d82da1c63aba5c0d1c6f237e150f3",
"target": {
"file": "drivers/net/ethernet/intel/ice/ice_main.c"
},
"deprecated": false,
"id": "CVE-2022-49063-0d9374bf",
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
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]
}
},
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d7442f512b71fc63a99c8a801422dde4fbbf9f93",
"target": {
"file": "drivers/net/ethernet/intel/ice/ice_arfs.c"
},
"deprecated": false,
"id": "CVE-2022-49063-0e339fd5",
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
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"248359061044779326957418178883837390028",
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"213336000611475465737176200010660929867"
]
}
},
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d7442f512b71fc63a99c8a801422dde4fbbf9f93",
"target": {
"function": "ice_setup_pf_sw",
"file": "drivers/net/ethernet/intel/ice/ice_main.c"
},
"deprecated": false,
"id": "CVE-2022-49063-0e5334c9",
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"length": 1171.0,
"function_hash": "2156206947898649931858568667350729024"
}
},
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d08d2fb6d99d82da1c63aba5c0d1c6f237e150f3",
"target": {
"function": "ice_vsi_req_irq_msix",
"file": "drivers/net/ethernet/intel/ice/ice_main.c"
},
"deprecated": false,
"id": "CVE-2022-49063-1db59900",
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"length": 1696.0,
"function_hash": "338628533407799693818812820232871573597"
}
},
{
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d7442f512b71fc63a99c8a801422dde4fbbf9f93",
"target": {
"function": "ice_suspend",
"file": "drivers/net/ethernet/intel/ice/ice_main.c"
},
"deprecated": false,
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