CVE-2022-49378

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In that cases, some\nchannels only have RX queues and others only TX queues (or more\npreciselly, they have them allocated, but not initialized).\n\nFix efx_channel_has_tx_queues to return the correct value for this case\ntoo.\n\nMessages shown at probe time before the fix:\n sfc 0000:03:00.0 ens6f0np0: MC command 0x82 inlen 544 failed rc=-22 (raw=0) arg=0\n ------------[ cut here ]------------\n netdevice: ens6f0np0: failed to initialise TXQ -1\n WARNING: CPU: 1 PID: 626 at drivers/net/ethernet/sfc/ef10.c:2393 efx_ef10_tx_init+0x201/0x300 [sfc]\n [...] stripped\n RIP: 0010:efx_ef10_tx_init+0x201/0x300 [sfc]\n [...] stripped\n Call Trace:\n efx_init_tx_queue+0xaa/0xf0 [sfc]\n efx_start_channels+0x49/0x120 [sfc]\n efx_start_all+0x1f8/0x430 [sfc]\n efx_net_open+0x5a/0xe0 [sfc]\n __dev_open+0xd0/0x190\n __dev_change_flags+0x1b3/0x220\n dev_change_flags+0x21/0x60\n [...] stripped\n\nMessages shown at remove time before the fix:\n sfc 0000:03:00.0 ens6f0np0: failed to flush 10 queues\n sfc 0000:03:00.0 ens6f0np0: failed to flush queues"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/sfc/net_driver.h"], "versions": [{"version": "8700aff089843399f95bc7701ae87b642b35a716", "lessThan": "8f81a4113e1e574d2cbde4f2cd599380a9189c0f", "status": "affected", "versionType": "git"}, {"version": "8700aff089843399f95bc7701ae87b642b35a716", "lessThan": "5567d69b95b9c07e1c56f15cf0301251d12e5f97", "status": "affected", "versionType": "git"}, {"version": "8700aff089843399f95bc7701ae87b642b35a716", "lessThan": "e7e8d5e25dc762b70f9c88ec6b7d451d0816eead", "status": "affected", "versionType": "git"}, {"version": "8700aff089843399f95bc7701ae87b642b35a716", "lessThan": "913d45f02d346ce41c4aad057eaf53a8ed449dc3", "status": "affected", "versionType": "git"}, {"version": "8700aff089843399f95bc7701ae87b642b35a716", "lessThan": "2e102b53f8a778f872dc137f4c7ac548705817aa", "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/net/ethernet/sfc/net_driver.h"], "versions": [{"version": "5.5", "status": "affected"}, {"version": "0", "lessThan": "5.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.122", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.47", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.15", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.4", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "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": "5.5", "versionEndExcluding": "5.10.122"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.15.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.17.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.18.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8f81a4113e1e574d2cbde4f2cd599380a9189c0f"}, {"url": "https://git.kernel.org/stable/c/5567d69b95b9c07e1c56f15cf0301251d12e5f97"}, {"url": "https://git.kernel.org/stable/c/e7e8d5e25dc762b70f9c88ec6b7d451d0816eead"}, {"url": "https://git.kernel.org/stable/c/913d45f02d346ce41c4aad057eaf53a8ed449dc3"}, {"url": "https://git.kernel.org/stable/c/2e102b53f8a778f872dc137f4c7ac548705817aa"}], "title": "sfc: fix considering that all channels have TX queues", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/sfc/net_driver.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "8f81a4113e1e574d2cbde4f2cd599380a9189c0f", "status": "affected", "version": "8700aff089843399f95bc7701ae87b642b35a716", "versionType": "git"}, {"lessThan": "5567d69b95b9c07e1c56f15cf0301251d12e5f97", "status": "affected", "version": "8700aff089843399f95bc7701ae87b642b35a716", "versionType": "git"}, {"lessThan": "e7e8d5e25dc762b70f9c88ec6b7d451d0816eead", "status": "affected", "version": "8700aff089843399f95bc7701ae87b642b35a716", "versionType": "git"}, {"lessThan": "913d45f02d346ce41c4aad057eaf53a8ed449dc3", "status": "affected", "version": "8700aff089843399f95bc7701ae87b642b35a716", "versionType": "git"}, {"lessThan": "2e102b53f8a778f872dc137f4c7ac548705817aa", "status": "affected", "version": "8700aff089843399f95bc7701ae87b642b35a716", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/sfc/net_driver.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.5"}, {"lessThan": "5.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.122", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.47", "versionType": "semver"}, {"lessThanOrEqual": "5.17.*", "status": "unaffected", "version": "5.17.15", "versionType": "semver"}, {"lessThanOrEqual": "5.18.*", "status": "unaffected", "version": "5.18.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.19", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3480DF40-B812-4E11-98FB-3F3CBC57F994", "versionEndExcluding": "5.10.122", "versionStartIncluding": "5.5.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FC042EE3-4864-4325-BE0B-4BCDBF11AA61", "versionEndExcluding": "5.15.47", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "53E7AA2E-2FB4-45CA-A22B-08B4EDBB51AD", "versionEndExcluding": "5.17.15", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA6D643C-6D6A-4821-8A8D-B5776B8F0103", "versionEndExcluding": "5.18.4", "versionStartIncluding": "5.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.5:-:*:*:*:*:*:*", "matchCriteriaId": "EE98F46A-F7D9-4609-B6A0-882E7F0D378C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc3:*:*:*:*:*:*", "matchCriteriaId": "8C58602A-1D3D-4A07-AB88-AB5B403D3E8C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc4:*:*:*:*:*:*", "matchCriteriaId": "54191273-DBF7-4AF6-8039-36DFDEBF4529", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc5:*:*:*:*:*:*", "matchCriteriaId": "7A986E40-065E-4807-B171-802B9460E47E", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc6:*:*:*:*:*:*", "matchCriteriaId": "911090B3-B2FF-4DD4-A4A4-1BEA41209886", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc7:*:*:*:*:*:*", "matchCriteriaId": "3444D854-CE07-4D25-827A-ECF7BB58EA2D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsfc: fix considering that all channels have TX queues\n\nNormally, all channels have RX and TX queues, but this is not true if\nmodparam efx_separate_tx_channels=1 is used. In that cases, some\nchannels only have RX queues and others only TX queues (or more\npreciselly, they have them allocated, but not initialized).\n\nFix efx_channel_has_tx_queues to return the correct value for this case\ntoo.\n\nMessages shown at probe time before the fix:\n sfc 0000:03:00.0 ens6f0np0: MC command 0x82 inlen 544 failed rc=-22 (raw=0) arg=0\n ------------[ cut here ]------------\n netdevice: ens6f0np0: failed to initialise TXQ -1\n WARNING: CPU: 1 PID: 626 at drivers/net/ethernet/sfc/ef10.c:2393 efx_ef10_tx_init+0x201/0x300 [sfc]\n [...] stripped\n RIP: 0010:efx_ef10_tx_init+0x201/0x300 [sfc]\n [...] stripped\n Call Trace:\n efx_init_tx_queue+0xaa/0xf0 [sfc]\n efx_start_channels+0x49/0x120 [sfc]\n efx_start_all+0x1f8/0x430 [sfc]\n efx_net_open+0x5a/0xe0 [sfc]\n __dev_open+0xd0/0x190\n __dev_change_flags+0x1b3/0x220\n dev_change_flags+0x21/0x60\n [...] stripped\n\nMessages shown at remove time before the fix:\n sfc 0000:03:00.0 ens6f0np0: failed to flush 10 queues\n sfc 0000:03:00.0 ens6f0np0: failed to flush queues"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sfc: correcci\u00f3n considerando que todos los canales tienen colas TX Normalmente, todos los canales tienen colas RX y TX, pero esto no es cierto si se usa el modparam efx_separate_tx_channels=1. En esos casos, algunos canales solo tienen colas RX y otros solo colas TX (o m\u00e1s precisamente, las tienen asignadas, pero no inicializadas). Arregla efx_channel_has_tx_queues para que devuelva el valor correcto para este caso tambi\u00e9n. Mensajes mostrados en el momento de la prueba antes de la correcci\u00f3n: sfc 0000:03:00.0 ens6f0np0: Fall\u00f3 el comando MC 0x82 inlen 544 rc=-22 (raw=0) arg=0 ------------[ cortar aqu\u00ed ]------------ netdevice: ens6f0np0: failed to initialise TXQ -1 WARNING: CPU: 1 PID: 626 at drivers/net/ethernet/sfc/ef10.c:2393 efx_ef10_tx_init+0x201/0x300 [sfc] [...] stripped RIP: 0010:efx_ef10_tx_init+0x201/0x300 [sfc] [...] stripped Call Trace: efx_init_tx_queue+0xaa/0xf0 [sfc] efx_start_channels+0x49/0x120 [sfc] efx_start_all+0x1f8/0x430 [sfc] efx_net_open+0x5a/0xe0 [sfc] __dev_open+0xd0/0x190 __dev_change_flags+0x1b3/0x220 dev_change_flags+0x21/0x60 [...] stripped Messages shown at remove time before the fix: sfc 0000:03:00.0 ens6f0np0: failed to flush 10 queues sfc 0000:03:00.0 ens6f0np0: failed to flush queues "}], "id": "CVE-2022-49378", "lastModified": "2026-06-17T05:17:52.693", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:01:14.450", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2e102b53f8a778f872dc137f4c7ac548705817aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5567d69b95b9c07e1c56f15cf0301251d12e5f97"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f81a4113e1e574d2cbde4f2cd599380a9189c0f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/913d45f02d346ce41c4aad057eaf53a8ed449dc3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7e8d5e25dc762b70f9c88ec6b7d451d0816eead"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:7683", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-425.3.1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2022:8267", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-162.6.1.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}, {"advisory": "RHSA-2022:8267", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-162.6.1.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}], "bugzilla": {"description": "kernel: sfc: fix considering that all channels have TX queues", "id": "2347679", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347679"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsfc: fix considering that all channels have TX queues\nNormally, all channels have RX and TX queues, but this is not true if\nmodparam efx_separate_tx_channels=1 is used. In that cases, some\nchannels only have RX queues and others only TX queues (or more\npreciselly, they have them allocated, but not initialized).\nFix efx_channel_has_tx_queues to return the correct value for this case\ntoo.\nMessages shown at probe time before the fix:\nsfc 0000:03:00.0 ens6f0np0: MC command 0x82 inlen 544 failed rc=-22 (raw=0) arg=0\n------------[ cut here ]------------\nnetdevice: ens6f0np0: failed to initialise TXQ -1\nWARNING: CPU: 1 PID: 626 at drivers/net/ethernet/sfc/ef10.c:2393 efx_ef10_tx_init+0x201/0x300 [sfc]\n[...] stripped\nRIP: 0010:efx_ef10_tx_init+0x201/0x300 [sfc]\n[...] stripped\nCall Trace:\nefx_init_tx_queue+0xaa/0xf0 [sfc]\nefx_start_channels+0x49/0x120 [sfc]\nefx_start_all+0x1f8/0x430 [sfc]\nefx_net_open+0x5a/0xe0 [sfc]\n__dev_open+0xd0/0x190\n__dev_change_flags+0x1b3/0x220\ndev_change_flags+0x21/0x60\n[...] stripped\nMessages shown at remove time before the fix:\nsfc 0000:03:00.0 ens6f0np0: failed to flush 10 queues\nsfc 0000:03:00.0 ens6f0np0: failed to flush queues"], "name": "CVE-2022-49378", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "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-2022-49378\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49378\nhttps://lore.kernel.org/linux-cve-announce/2025022647-CVE-2022-49378-2598@gregkh/T"], "threat_severity": "Moderate"}

{}