CVE-2022-49847
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: Fix segmentation fault at module unload Move am65_cpsw_nuss_phylink_cleanup() call to after am65_cpsw_nuss_cleanup_ndev() so phylink is still valid to prevent the below Segmentation fault on module remove when first slave link is up. [ 31.652944] Unable to handle kernel paging request at virtual address 00040008000005f4 [ 31.684627] Mem abort info: [ 31.687446] ESR = 0x0000000096000004 [ 31.704614] EC = 0x25: DABT (current EL), IL = 32 bits [ 31.720663] SET = 0, FnV = 0 [ 31.723729] EA = 0, S1PTW = 0 [ 31.740617] FSC = 0x04: level 0 translation fault [ 31.756624] Data abort info: [ 31.759508] ISV = 0, ISS = 0x00000004 [ 31.776705] CM = 0, WnR = 0 [ 31.779695] [00040008000005f4] address between user and kernel address ranges [ 31.808644] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 31.814928] Modules linked in: wlcore_sdio wl18xx wlcore mac80211 libarc4 cfg80211 rfkill crct10dif_ce phy_gmii_sel ti_am65_cpsw_nuss(-) sch_fq_codel ipv6 [ 31.828776] CPU: 0 PID: 1026 Comm: modprobe Not tainted 6.1.0-rc2-00012-gfabfcf7dafdb-dirty #160 [ 31.837547] Hardware name: Texas Instruments AM625 (DT) [ 31.842760] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.849709] pc : phy_stop+0x18/0xf8 [ 31.853202] lr : phylink_stop+0x38/0xf8 [ 31.857031] sp : ffff80000a0839f0 [ 31.860335] x29: ffff80000a0839f0 x28: ffff000000de1c80 x27: 0000000000000000 [ 31.867462] x26: 0000000000000000 x25: 0000000000000000 x24: ffff80000a083b98 [ 31.874589] x23: 0000000000000800 x22: 0000000000000001 x21: ffff000001bfba90 [ 31.881715] x20: ffff0000015ee000 x19: 0004000800000200 x18: 0000000000000000 [ 31.888842] x17: ffff800076c45000 x16: ffff800008004000 x15: 000058e39660b106 [ 31.895969] x14: 0000000000000144 x13: 0000000000000144 x12: 0000000000000000 [ 31.903095] x11: 000000000000275f x10: 00000000000009e0 x9 : ffff80000a0837d0 [ 31.910222] x8 : ffff000000de26c0 x7 : ffff00007fbd6540 x6 : ffff00007fbd64c0 [ 31.917349] x5 : ffff00007fbd0b10 x4 : ffff00007fbd0b10 x3 : ffff00007fbd3920 [ 31.924476] x2 : d0a07fcff8b8d500 x1 : 0000000000000000 x0 : 0004000800000200 [ 31.931603] Call trace: [ 31.934042] phy_stop+0x18/0xf8 [ 31.937177] phylink_stop+0x38/0xf8 [ 31.940657] am65_cpsw_nuss_ndo_slave_stop+0x28/0x1e0 [ti_am65_cpsw_nuss] [ 31.947452] __dev_close_many+0xa4/0x140 [ 31.951371] dev_close_many+0x84/0x128 [ 31.955115] unregister_netdevice_many+0x130/0x6d0 [ 31.959897] unregister_netdevice_queue+0x94/0xd8 [ 31.964591] unregister_netdev+0x24/0x38 [ 31.968504] am65_cpsw_nuss_cleanup_ndev.isra.0+0x48/0x70 [ti_am65_cpsw_nuss] [ 31.975637] am65_cpsw_nuss_remove+0x58/0xf8 [ti_am65_cpsw_nuss]
View original CVE JSON
{
"id": "CVE-2022-49847",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-05-01T15:16:08.223",
"lastModified": "2026-11-05T20:17:16.197",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: ti: am65-cpsw: Fix segmentation fault at module unload\n\nMove am65_cpsw_nuss_phylink_cleanup() call to after\nam65_cpsw_nuss_cleanup_ndev() so phylink is still valid\nto prevent the below Segmentation fault on module remove when\nfirst slave link is up.\n\n[ 31.652944] Unable to handle kernel paging request at virtual address 00040008000005f4\n[ 31.684627] Mem abort info:\n[ 31.687446] ESR = 0x0000000096000004\n[ 31.704614] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 31.720663] SET = 0, FnV = 0\n[ 31.723729] EA = 0, S1PTW = 0\n[ 31.740617] FSC = 0x04: level 0 translation fault\n[ 31.756624] Data abort info:\n[ 31.759508] ISV = 0, ISS = 0x00000004\n[ 31.776705] CM = 0, WnR = 0\n[ 31.779695] [00040008000005f4] address between user and kernel address ranges\n[ 31.808644] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n[ 31.814928] Modules linked in: wlcore_sdio wl18xx wlcore mac80211 libarc4 cfg80211 rfkill crct10dif_ce phy_gmii_sel ti_am65_cpsw_nuss(-) sch_fq_codel ipv6\n[ 31.828776] CPU: 0 PID: 1026 Comm: modprobe Not tainted 6.1.0-rc2-00012-gfabfcf7dafdb-dirty #160\n[ 31.837547] Hardware name: Texas Instruments AM625 (DT)\n[ 31.842760] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 31.849709] pc : phy_stop+0x18/0xf8\n[ 31.853202] lr : phylink_stop+0x38/0xf8\n[ 31.857031] sp : ffff80000a0839f0\n[ 31.860335] x29: ffff80000a0839f0 x28: ffff000000de1c80 x27: 0000000000000000\n[ 31.867462] x26: 0000000000000000 x25: 0000000000000000 x24: ffff80000a083b98\n[ 31.874589] x23: 0000000000000800 x22: 0000000000000001 x21: ffff000001bfba90\n[ 31.881715] x20: ffff0000015ee000 x19: 0004000800000200 x18: 0000000000000000\n[ 31.888842] x17: ffff800076c45000 x16: ffff800008004000 x15: 000058e39660b106\n[ 31.895969] x14: 0000000000000144 x13: 0000000000000144 x12: 0000000000000000\n[ 31.903095] x11: 000000000000275f x10: 00000000000009e0 x9 : ffff80000a0837d0\n[ 31.910222] x8 : ffff000000de26c0 x7 : ffff00007fbd6540 x6 : ffff00007fbd64c0\n[ 31.917349] x5 : ffff00007fbd0b10 x4 : ffff00007fbd0b10 x3 : ffff00007fbd3920\n[ 31.924476] x2 : d0a07fcff8b8d500 x1 : 0000000000000000 x0 : 0004000800000200\n[ 31.931603] Call trace:\n[ 31.934042] phy_stop+0x18/0xf8\n[ 31.937177] phylink_stop+0x38/0xf8\n[ 31.940657] am65_cpsw_nuss_ndo_slave_stop+0x28/0x1e0 [ti_am65_cpsw_nuss]\n[ 31.947452] __dev_close_many+0xa4/0x140\n[ 31.951371] dev_close_many+0x84/0x128\n[ 31.955115] unregister_netdevice_many+0x130/0x6d0\n[ 31.959897] unregister_netdevice_queue+0x94/0xd8\n[ 31.964591] unregister_netdev+0x24/0x38\n[ 31.968504] am65_cpsw_nuss_cleanup_ndev.isra.0+0x48/0x70 [ti_am65_cpsw_nuss]\n[ 31.975637] am65_cpsw_nuss_remove+0x58/0xf8 [ti_am65_cpsw_nuss]"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ethernet: ti: am65-cpsw: Se corrige el error de segmentación en la descarga del módulo. Mueve la llamada am65_cpsw_nuss_phylink_cleanup() después de am65_cpsw_nuss_cleanup_ndev() para que phylink siga siendo válido para evitar el siguiente error de segmentación en la eliminación del módulo cuando el primer enlace esclavo está activo. [ 31.652944] No se puede manejar la solicitud de paginación del núcleo en la dirección virtual 00040008000005f4 [ 31.684627] Información de aborto de memoria: [ 31.687446] ESR = 0x0000000096000004 [ 31.704614] EC = 0x25: DABT (EL actual), IL = 32 bits [ 31.720663] SET = 0, FnV = 0 [ 31.723729] EA = 0, S1PTW = 0 [ 31.740617] FSC = 0x04: error de traducción de nivel 0 [ 31.756624] Información de aborto de datos: [ 31.759508] ISV = 0, ISS = 0x00000004 [ 31.776705] CM = 0, WnR = 0 [ 31.779695] [00040008000005f4] dirección entre los rangos de direcciones del usuario y del núcleo [ 31.808644] Error interno: Oops: 0000000096000004 [#1] PREEMPT SMP [ 31.814928] Modules linked in: wlcore_sdio wl18xx wlcore mac80211 libarc4 cfg80211 rfkill crct10dif_ce phy_gmii_sel ti_am65_cpsw_nuss(-) sch_fq_codel ipv6 [ 31.828776] CPU: 0 PID: 1026 Comm: modprobe Not tainted 6.1.0-rc2-00012-gfabfcf7dafdb-dirty #160 [ 31.837547] Hardware name: Texas Instruments AM625 (DT) [ 31.842760] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.849709] pc : phy_stop+0x18/0xf8 [ 31.853202] lr : phylink_stop+0x38/0xf8 [ 31.857031] sp : ffff80000a0839f0 [ 31.860335] x29: ffff80000a0839f0 x28: ffff000000de1c80 x27: 0000000000000000 [ 31.867462] x26: 0000000000000000 x25: 0000000000000000 x24: ffff80000a083b98 [ 31.874589] x23: 0000000000000800 x22: 0000000000000001 x21: ffff000001bfba90 [ 31.881715] x20: ffff0000015ee000 x19: 0004000800000200 x18: 0000000000000000 [ 31.888842] x17: ffff800076c45000 x16: ffff800008004000 x15: 000058e39660b106 [ 31.895969] x14: 0000000000000144 x13: 0000000000000144 x12: 0000000000000000 [ 31.903095] x11: 000000000000275f x10: 00000000000009e0 x9 : ffff80000a0837d0 [ 31.910222] x8 : ffff000000de26c0 x7 : ffff00007fbd6540 x6 : ffff00007fbd64c0 [ 31.917349] x5 : ffff00007fbd0b10 x4 : ffff00007fbd0b10 x3 : ffff00007fbd3920 [ 31.924476] x2 : d0a07fcff8b8d500 x1 : 0000000000000000 x0 : 0004000800000200 [ 31.931603] Call trace: [ 31.934042] phy_stop+0x18/0xf8 [ 31.937177] phylink_stop+0x38/0xf8 [ 31.940657] am65_cpsw_nuss_ndo_slave_stop+0x28/0x1e0 [ti_am65_cpsw_nuss] [ 31.947452] __dev_close_many+0xa4/0x140 [ 31.951371] dev_close_many+0x84/0x128 [ 31.955115] unregister_netdevice_many+0x130/0x6d0 [ 31.959897] unregister_netdevice_queue+0x94/0xd8 [ 31.964591] unregister_netdev+0x24/0x38 [ 31.968504] am65_cpsw_nuss_cleanup_ndev.isra.0+0x48/0x70 [ti_am65_cpsw_nuss] [ 31.975637] am65_cpsw_nuss_remove+0x58/0xf8 [ti_am65_cpsw_nuss] "
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/net/ethernet/ti/am65-cpsw-nuss.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "e8609e69470f369509b44d5f2619f94541fe9df6",
"lessThan": "442fd1bfe599bc54d118775e9e1a4fe913e4b369",
"versionType": "git",
"status": "affected"
},
{
"version": "e8609e69470f369509b44d5f2619f94541fe9df6",
"lessThan": "1a0c016a4831ea29be09bbc8162d4a2a0690b4b8",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"drivers/net/ethernet/ti/am65-cpsw-nuss.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "5.18",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.18",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.0.9",
"lessThanOrEqual": "6.0.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T19:50:48.410713Z",
"id": "CVE-2022-49847",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.18",
"versionEndExcluding": "6.0.9",
"matchCriteriaId": "34B91B82-8C2A-471B-8203-B4B337323E51"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*",
"matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*",
"matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*",
"matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*",
"matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76"
}
]
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}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/1a0c016a4831ea29be09bbc8162d4a2a0690b4b8",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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]
},
{
"url": "https://git.kernel.org/stable/c/442fd1bfe599bc54d118775e9e1a4fe913e4b369",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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}
]
}