{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49687", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.441Z", "datePublished": "2025-02-26T02:24:13.187Z", "dateUpdated": "2025-05-04T08:43:19.791Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:43:19.791Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_net: fix xdp_rxq_info bug after suspend/resume\n\nThe following sequence currently causes a driver bug warning\nwhen using virtio_net:\n\n # ip link set eth0 up\n # echo mem > /sys/power/state (or e.g. # rtcwake -s 10 -m mem)\n <resume>\n # ip link set eth0 down\n\n Missing register, driver bug\n WARNING: CPU: 0 PID: 375 at net/core/xdp.c:138 xdp_rxq_info_unreg+0x58/0x60\n Call trace:\n xdp_rxq_info_unreg+0x58/0x60\n virtnet_close+0x58/0xac\n __dev_close_many+0xac/0x140\n __dev_change_flags+0xd8/0x210\n dev_change_flags+0x24/0x64\n do_setlink+0x230/0xdd0\n ...\n\nThis happens because virtnet_freeze() frees the receive_queue\ncompletely (including struct xdp_rxq_info) but does not call\nxdp_rxq_info_unreg(). Similarly, virtnet_restore() sets up the\nreceive_queue again but does not call xdp_rxq_info_reg().\n\nActually, parts of virtnet_freeze_down() and virtnet_restore_up()\nare almost identical to virtnet_close() and virtnet_open(): only\nthe calls to xdp_rxq_info_(un)reg() are missing. This means that\nwe can fix this easily and avoid such problems in the future by\njust calling virtnet_close()/open() from the freeze/restore handlers.\n\nAside from adding the missing xdp_rxq_info calls the only difference\nis that the refill work is only cancelled if netif_running(). However,\nthis should not make any functional difference since the refill work\nshould only be active if the network interface is actually up."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/virtio_net.c"], "versions": [{"version": "754b8a21a96d5f11712245aef907149606b323ae", "lessThan": "9222672fa6370f0ec3d899662cb8680e9282fc4c", "status": "affected", "versionType": "git"}, {"version": "754b8a21a96d5f11712245aef907149606b323ae", "lessThan": "8c7a32b7c15555beddc5810c3334d9cefff061bf", "status": "affected", "versionType": "git"}, {"version": "754b8a21a96d5f11712245aef907149606b323ae", "lessThan": "340fbdc8011f2dc678f622c5ce1cbb5ab8305de7", "status": "affected", "versionType": "git"}, {"version": "754b8a21a96d5f11712245aef907149606b323ae", "lessThan": "8d7fe9ad6fddc2af8bde4b921b4f8fab231ed38c", "status": "affected", "versionType": "git"}, {"version": "754b8a21a96d5f11712245aef907149606b323ae", "lessThan": "57ee40f1b198b59d43c216fbc4672f9300d3c8b0", "status": "affected", "versionType": "git"}, {"version": "754b8a21a96d5f11712245aef907149606b323ae", "lessThan": "8af52fe9fd3bf5e7478da99193c0632276e1dfce", "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/virtio_net.c"], "versions": [{"version": "4.16", "status": "affected"}, {"version": "0", "lessThan": "4.16", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.250", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.202", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.127", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.51", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.8", "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": "4.16", "versionEndExcluding": "4.19.250"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.4.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.10.127"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.15.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.18.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9222672fa6370f0ec3d899662cb8680e9282fc4c"}, {"url": "https://git.kernel.org/stable/c/8c7a32b7c15555beddc5810c3334d9cefff061bf"}, {"url": "https://git.kernel.org/stable/c/340fbdc8011f2dc678f622c5ce1cbb5ab8305de7"}, {"url": "https://git.kernel.org/stable/c/8d7fe9ad6fddc2af8bde4b921b4f8fab231ed38c"}, {"url": "https://git.kernel.org/stable/c/57ee40f1b198b59d43c216fbc4672f9300d3c8b0"}, {"url": "https://git.kernel.org/stable/c/8af52fe9fd3bf5e7478da99193c0632276e1dfce"}], "title": "virtio_net: fix xdp_rxq_info bug after suspend/resume", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_net: fix xdp_rxq_info bug after suspend/resume\n\nThe following sequence currently causes a driver bug warning\nwhen using virtio_net:\n\n # ip link set eth0 up\n # echo mem > /sys/power/state (or e.g. # rtcwake -s 10 -m mem)\n <resume>\n # ip link set eth0 down\n\n Missing register, driver bug\n WARNING: CPU: 0 PID: 375 at net/core/xdp.c:138 xdp_rxq_info_unreg+0x58/0x60\n Call trace:\n xdp_rxq_info_unreg+0x58/0x60\n virtnet_close+0x58/0xac\n __dev_close_many+0xac/0x140\n __dev_change_flags+0xd8/0x210\n dev_change_flags+0x24/0x64\n do_setlink+0x230/0xdd0\n ...\n\nThis happens because virtnet_freeze() frees the receive_queue\ncompletely (including struct xdp_rxq_info) but does not call\nxdp_rxq_info_unreg(). Similarly, virtnet_restore() sets up the\nreceive_queue again but does not call xdp_rxq_info_reg().\n\nActually, parts of virtnet_freeze_down() and virtnet_restore_up()\nare almost identical to virtnet_close() and virtnet_open(): only\nthe calls to xdp_rxq_info_(un)reg() are missing. This means that\nwe can fix this easily and avoid such problems in the future by\njust calling virtnet_close()/open() from the freeze/restore handlers.\n\nAside from adding the missing xdp_rxq_info calls the only difference\nis that the refill work is only cancelled if netif_running(). However,\nthis should not make any functional difference since the refill work\nshould only be active if the network interface is actually up."}], "id": "CVE-2022-49687", "lastModified": "2025-02-26T07:01:43.527", "metrics": {}, "published": "2025-02-26T07:01:43.527", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/340fbdc8011f2dc678f622c5ce1cbb5ab8305de7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/57ee40f1b198b59d43c216fbc4672f9300d3c8b0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8af52fe9fd3bf5e7478da99193c0632276e1dfce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8c7a32b7c15555beddc5810c3334d9cefff061bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8d7fe9ad6fddc2af8bde4b921b4f8fab231ed38c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9222672fa6370f0ec3d899662cb8680e9282fc4c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"affected_release": [{"advisory": "RHSA-2023:6583", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6583", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "kernel: virtio_net: fix xdp_rxq_info bug after suspend/resume", "id": "2348177", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348177"}, "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:\nvirtio_net: fix xdp_rxq_info bug after suspend/resume\nThe following sequence currently causes a driver bug warning\nwhen using virtio_net:\n# ip link set eth0 up\n# echo mem > /sys/power/state (or e.g. # rtcwake -s 10 -m mem)\n<resume>\n# ip link set eth0 down\nMissing register, driver bug\nWARNING: CPU: 0 PID: 375 at net/core/xdp.c:138 xdp_rxq_info_unreg+0x58/0x60\nCall trace:\nxdp_rxq_info_unreg+0x58/0x60\nvirtnet_close+0x58/0xac\n__dev_close_many+0xac/0x140\n__dev_change_flags+0xd8/0x210\ndev_change_flags+0x24/0x64\ndo_setlink+0x230/0xdd0\n...\nThis happens because virtnet_freeze() frees the receive_queue\ncompletely (including struct xdp_rxq_info) but does not call\nxdp_rxq_info_unreg(). Similarly, virtnet_restore() sets up the\nreceive_queue again but does not call xdp_rxq_info_reg().\nActually, parts of virtnet_freeze_down() and virtnet_restore_up()\nare almost identical to virtnet_close() and virtnet_open(): only\nthe calls to xdp_rxq_info_(un)reg() are missing. This means that\nwe can fix this easily and avoid such problems in the future by\njust calling virtnet_close()/open() from the freeze/restore handlers.\nAside from adding the missing xdp_rxq_info calls the only difference\nis that the refill work is only cancelled if netif_running(). However,\nthis should not make any functional difference since the refill work\nshould only be active if the network interface is actually up."], "name": "CVE-2022-49687", "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": "Out of support scope", "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", "product_name": "Red Hat Enterprise Linux 8"}, {"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-2022-49687\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49687\nhttps://lore.kernel.org/linux-cve-announce/2025022626-CVE-2022-49687-bcfa@gregkh/T"], "threat_severity": "Moderate"}

{}