{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49073", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.245Z", "datePublished": "2025-02-26T01:54:37.804Z", "dateUpdated": "2025-05-04T08:29:08.797Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:29:08.797Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: sata_dwc_460ex: Fix crash due to OOB write\n\nthe driver uses libata's \"tag\" values from in various arrays.\nSince the mentioned patch bumped the ATA_TAG_INTERNAL to 32,\nthe value of the SATA_DWC_QCMD_MAX needs to account for that.\n\nOtherwise ATA_TAG_INTERNAL usage cause similar crashes like\nthis as reported by Tice Rex on the OpenWrt Forum and\nreproduced (with symbols) here:\n\n| BUG: Kernel NULL pointer dereference at 0x00000000\n| Faulting instruction address: 0xc03ed4b8\n| Oops: Kernel access of bad area, sig: 11 [#1]\n| BE PAGE_SIZE=4K PowerPC 44x Platform\n| CPU: 0 PID: 362 Comm: scsi_eh_1 Not tainted 5.4.163 #0\n| NIP: c03ed4b8 LR: c03d27e8 CTR: c03ed36c\n| REGS: cfa59950 TRAP: 0300 Not tainted (5.4.163)\n| MSR: 00021000 <CE,ME> CR: 42000222 XER: 00000000\n| DEAR: 00000000 ESR: 00000000\n| GPR00: c03d27e8 cfa59a08 cfa55fe0 00000000 0fa46bc0 [...]\n| [..]\n| NIP [c03ed4b8] sata_dwc_qc_issue+0x14c/0x254\n| LR [c03d27e8] ata_qc_issue+0x1c8/0x2dc\n| Call Trace:\n| [cfa59a08] [c003f4e0] __cancel_work_timer+0x124/0x194 (unreliable)\n| [cfa59a78] [c03d27e8] ata_qc_issue+0x1c8/0x2dc\n| [cfa59a98] [c03d2b3c] ata_exec_internal_sg+0x240/0x524\n| [cfa59b08] [c03d2e98] ata_exec_internal+0x78/0xe0\n| [cfa59b58] [c03d30fc] ata_read_log_page.part.38+0x1dc/0x204\n| [cfa59bc8] [c03d324c] ata_identify_page_supported+0x68/0x130\n| [...]\n\nThis is because sata_dwc_dma_xfer_complete() NULLs the\ndma_pending's next neighbour \"chan\" (a *dma_chan struct) in\nthis '32' case right here (line ~735):\n> hsdevp->dma_pending[tag] = SATA_DWC_DMA_PENDING_NONE;\n\nThen the next time, a dma gets issued; dma_dwc_xfer_setup() passes\nthe NULL'd hsdevp->chan to the dmaengine_slave_config() which then\ncauses the crash.\n\nWith this patch, SATA_DWC_QCMD_MAX is now set to ATA_MAX_QUEUE + 1.\nThis avoids the OOB. But please note, there was a worthwhile discussion\non what ATA_TAG_INTERNAL and ATA_MAX_QUEUE is. And why there should not\nbe a \"fake\" 33 command-long queue size.\n\nIdeally, the dw driver should account for the ATA_TAG_INTERNAL.\nIn Damien Le Moal's words: \"... having looked at the driver, it\nis a bigger change than just faking a 33rd \"tag\" that is in fact\nnot a command tag at all.\"\n\nBugLink: https://github.com/openwrt/openwrt/issues/9505"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/ata/sata_dwc_460ex.c"], "versions": [{"version": "28361c403683c2b00d4f5e76045f3ccd299bf99d", "lessThan": "596c7efd69aae94f4b0e91172b075eb197958b99", "status": "affected", "versionType": "git"}, {"version": "28361c403683c2b00d4f5e76045f3ccd299bf99d", "lessThan": "55e1465ba79562a191708a40eeae3f8082a209e3", "status": "affected", "versionType": "git"}, {"version": "28361c403683c2b00d4f5e76045f3ccd299bf99d", "lessThan": "fc629224aa62f23849cae83717932985ac51232d", "status": "affected", "versionType": "git"}, {"version": "28361c403683c2b00d4f5e76045f3ccd299bf99d", "lessThan": "8a05a6952ecd59aaa62cbdcdaf523ae2c8f436e8", "status": "affected", "versionType": "git"}, {"version": "28361c403683c2b00d4f5e76045f3ccd299bf99d", "lessThan": "234c0132f76f0676d175757f61b0025191a3d935", "status": "affected", "versionType": "git"}, {"version": "28361c403683c2b00d4f5e76045f3ccd299bf99d", "lessThan": "3a8751c0d4e24129e72dcec0139e99833b13904a", "status": "affected", "versionType": "git"}, {"version": "28361c403683c2b00d4f5e76045f3ccd299bf99d", "lessThan": "7aa8104a554713b685db729e66511b93d989dd6a", "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/ata/sata_dwc_460ex.c"], "versions": [{"version": "4.18", "status": "affected"}, {"version": "0", "lessThan": "4.18", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.238", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.111", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.34", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.20", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.3", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "4.19.238"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.4.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.10.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.15.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.16.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/596c7efd69aae94f4b0e91172b075eb197958b99"}, {"url": "https://git.kernel.org/stable/c/55e1465ba79562a191708a40eeae3f8082a209e3"}, {"url": "https://git.kernel.org/stable/c/fc629224aa62f23849cae83717932985ac51232d"}, {"url": "https://git.kernel.org/stable/c/8a05a6952ecd59aaa62cbdcdaf523ae2c8f436e8"}, {"url": "https://git.kernel.org/stable/c/234c0132f76f0676d175757f61b0025191a3d935"}, {"url": "https://git.kernel.org/stable/c/3a8751c0d4e24129e72dcec0139e99833b13904a"}, {"url": "https://git.kernel.org/stable/c/7aa8104a554713b685db729e66511b93d989dd6a"}], "title": "ata: sata_dwc_460ex: Fix crash due to OOB write", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: sata_dwc_460ex: Fix crash due to OOB write\n\nthe driver uses libata's \"tag\" values from in various arrays.\nSince the mentioned patch bumped the ATA_TAG_INTERNAL to 32,\nthe value of the SATA_DWC_QCMD_MAX needs to account for that.\n\nOtherwise ATA_TAG_INTERNAL usage cause similar crashes like\nthis as reported by Tice Rex on the OpenWrt Forum and\nreproduced (with symbols) here:\n\n| BUG: Kernel NULL pointer dereference at 0x00000000\n| Faulting instruction address: 0xc03ed4b8\n| Oops: Kernel access of bad area, sig: 11 [#1]\n| BE PAGE_SIZE=4K PowerPC 44x Platform\n| CPU: 0 PID: 362 Comm: scsi_eh_1 Not tainted 5.4.163 #0\n| NIP: c03ed4b8 LR: c03d27e8 CTR: c03ed36c\n| REGS: cfa59950 TRAP: 0300 Not tainted (5.4.163)\n| MSR: 00021000 <CE,ME> CR: 42000222 XER: 00000000\n| DEAR: 00000000 ESR: 00000000\n| GPR00: c03d27e8 cfa59a08 cfa55fe0 00000000 0fa46bc0 [...]\n| [..]\n| NIP [c03ed4b8] sata_dwc_qc_issue+0x14c/0x254\n| LR [c03d27e8] ata_qc_issue+0x1c8/0x2dc\n| Call Trace:\n| [cfa59a08] [c003f4e0] __cancel_work_timer+0x124/0x194 (unreliable)\n| [cfa59a78] [c03d27e8] ata_qc_issue+0x1c8/0x2dc\n| [cfa59a98] [c03d2b3c] ata_exec_internal_sg+0x240/0x524\n| [cfa59b08] [c03d2e98] ata_exec_internal+0x78/0xe0\n| [cfa59b58] [c03d30fc] ata_read_log_page.part.38+0x1dc/0x204\n| [cfa59bc8] [c03d324c] ata_identify_page_supported+0x68/0x130\n| [...]\n\nThis is because sata_dwc_dma_xfer_complete() NULLs the\ndma_pending's next neighbour \"chan\" (a *dma_chan struct) in\nthis '32' case right here (line ~735):\n> hsdevp->dma_pending[tag] = SATA_DWC_DMA_PENDING_NONE;\n\nThen the next time, a dma gets issued; dma_dwc_xfer_setup() passes\nthe NULL'd hsdevp->chan to the dmaengine_slave_config() which then\ncauses the crash.\n\nWith this patch, SATA_DWC_QCMD_MAX is now set to ATA_MAX_QUEUE + 1.\nThis avoids the OOB. But please note, there was a worthwhile discussion\non what ATA_TAG_INTERNAL and ATA_MAX_QUEUE is. And why there should not\nbe a \"fake\" 33 command-long queue size.\n\nIdeally, the dw driver should account for the ATA_TAG_INTERNAL.\nIn Damien Le Moal's words: \"... having looked at the driver, it\nis a bigger change than just faking a 33rd \"tag\" that is in fact\nnot a command tag at all.\"\n\nBugLink: https://github.com/openwrt/openwrt/issues/9505"}], "id": "CVE-2022-49073", "lastModified": "2025-02-26T07:00:44.647", "metrics": {}, "published": "2025-02-26T07:00:44.647", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/234c0132f76f0676d175757f61b0025191a3d935"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3a8751c0d4e24129e72dcec0139e99833b13904a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/55e1465ba79562a191708a40eeae3f8082a209e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/596c7efd69aae94f4b0e91172b075eb197958b99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7aa8104a554713b685db729e66511b93d989dd6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8a05a6952ecd59aaa62cbdcdaf523ae2c8f436e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc629224aa62f23849cae83717932985ac51232d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ata: sata_dwc_460ex: Fix crash due to OOB write", "id": "2348231", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348231"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nata: sata_dwc_460ex: Fix crash due to OOB write\nthe driver uses libata's \"tag\" values from in various arrays.\nSince the mentioned patch bumped the ATA_TAG_INTERNAL to 32,\nthe value of the SATA_DWC_QCMD_MAX needs to account for that.\nOtherwise ATA_TAG_INTERNAL usage cause similar crashes like\nthis as reported by Tice Rex on the OpenWrt Forum and\nreproduced (with symbols) here:\n| BUG: Kernel NULL pointer dereference at 0x00000000\n| Faulting instruction address: 0xc03ed4b8\n| Oops: Kernel access of bad area, sig: 11 [#1]\n| BE PAGE_SIZE=4K PowerPC 44x Platform\n| CPU: 0 PID: 362 Comm: scsi_eh_1 Not tainted 5.4.163 #0\n| NIP: c03ed4b8 LR: c03d27e8 CTR: c03ed36c\n| REGS: cfa59950 TRAP: 0300 Not tainted (5.4.163)\n| MSR: 00021000 <CE,ME> CR: 42000222 XER: 00000000\n| DEAR: 00000000 ESR: 00000000\n| GPR00: c03d27e8 cfa59a08 cfa55fe0 00000000 0fa46bc0 [...]\n| [..]\n| NIP [c03ed4b8] sata_dwc_qc_issue+0x14c/0x254\n| LR [c03d27e8] ata_qc_issue+0x1c8/0x2dc\n| Call Trace:\n| [cfa59a08] [c003f4e0] __cancel_work_timer+0x124/0x194 (unreliable)\n| [cfa59a78] [c03d27e8] ata_qc_issue+0x1c8/0x2dc\n| [cfa59a98] [c03d2b3c] ata_exec_internal_sg+0x240/0x524\n| [cfa59b08] [c03d2e98] ata_exec_internal+0x78/0xe0\n| [cfa59b58] [c03d30fc] ata_read_log_page.part.38+0x1dc/0x204\n| [cfa59bc8] [c03d324c] ata_identify_page_supported+0x68/0x130\n| [...]\nThis is because sata_dwc_dma_xfer_complete() NULLs the\ndma_pending's next neighbour \"chan\" (a *dma_chan struct) in\nthis '32' case right here (line ~735):\n> hsdevp->dma_pending[tag] = SATA_DWC_DMA_PENDING_NONE;\nThen the next time, a dma gets issued; dma_dwc_xfer_setup() passes\nthe NULL'd hsdevp->chan to the dmaengine_slave_config() which then\ncauses the crash.\nWith this patch, SATA_DWC_QCMD_MAX is now set to ATA_MAX_QUEUE + 1.\nThis avoids the OOB. But please note, there was a worthwhile discussion\non what ATA_TAG_INTERNAL and ATA_MAX_QUEUE is. And why there should not\nbe a \"fake\" 33 command-long queue size.\nIdeally, the dw driver should account for the ATA_TAG_INTERNAL.\nIn Damien Le Moal's words: \"... having looked at the driver, it\nis a bigger change than just faking a 33rd \"tag\" that is in fact\nnot a command tag at all.\"\nBugLink: https://github.com/openwrt/openwrt/issues/9505"], "name": "CVE-2022-49073", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49073\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49073\nhttps://lore.kernel.org/linux-cve-announce/2025022655-CVE-2022-49073-0a26@gregkh/T"], "threat_severity": "Moderate"}