| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network\n\nWhen copying a `struct ifaddrlblmsg` to the network, __ifal_reserved\nremained uninitialized, resulting in a 1-byte infoleak:\n\n BUG: KMSAN: kernel-network-infoleak in __netdev_start_xmit ./include/linux/netdevice.h:4841\n __netdev_start_xmit ./include/linux/netdevice.h:4841\n netdev_start_xmit ./include/linux/netdevice.h:4857\n xmit_one net/core/dev.c:3590\n dev_hard_start_xmit+0x1dc/0x800 net/core/dev.c:3606\n __dev_queue_xmit+0x17e8/0x4350 net/core/dev.c:4256\n dev_queue_xmit ./include/linux/netdevice.h:3009\n __netlink_deliver_tap_skb net/netlink/af_netlink.c:307\n __netlink_deliver_tap+0x728/0xad0 net/netlink/af_netlink.c:325\n netlink_deliver_tap net/netlink/af_netlink.c:338\n __netlink_sendskb net/netlink/af_netlink.c:1263\n netlink_sendskb+0x1d9/0x200 net/netlink/af_netlink.c:1272\n netlink_unicast+0x56d/0xf50 net/netlink/af_netlink.c:1360\n nlmsg_unicast ./include/net/netlink.h:1061\n rtnl_unicast+0x5a/0x80 net/core/rtnetlink.c:758\n ip6addrlbl_get+0xfad/0x10f0 net/ipv6/addrlabel.c:628\n rtnetlink_rcv_msg+0xb33/0x1570 net/core/rtnetlink.c:6082\n ...\n Uninit was created at:\n slab_post_alloc_hook+0x118/0xb00 mm/slab.h:742\n slab_alloc_node mm/slub.c:3398\n __kmem_cache_alloc_node+0x4f2/0x930 mm/slub.c:3437\n __do_kmalloc_node mm/slab_common.c:954\n __kmalloc_node_track_caller+0x117/0x3d0 mm/slab_common.c:975\n kmalloc_reserve net/core/skbuff.c:437\n __alloc_skb+0x27a/0xab0 net/core/skbuff.c:509\n alloc_skb ./include/linux/skbuff.h:1267\n nlmsg_new ./include/net/netlink.h:964\n ip6addrlbl_get+0x490/0x10f0 net/ipv6/addrlabel.c:608\n rtnetlink_rcv_msg+0xb33/0x1570 net/core/rtnetlink.c:6082\n netlink_rcv_skb+0x299/0x550 net/netlink/af_netlink.c:2540\n rtnetlink_rcv+0x26/0x30 net/core/rtnetlink.c:6109\n netlink_unicast_kernel net/netlink/af_netlink.c:1319\n netlink_unicast+0x9ab/0xf50 net/netlink/af_netlink.c:1345\n netlink_sendmsg+0xebc/0x10f0 net/netlink/af_netlink.c:1921\n ...\n\nThis patch ensures that the reserved field is always initialized." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/ipv6/addrlabel.c" |
| ], |
| "versions": [ |
| { |
| "version": "2a8cc6c89039e0530a3335954253b76ed0f9339a", |
| "lessThan": "568a47ff756f913e8b374c2af9d22cd2c772c744", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
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| "lessThan": "0f85b7ae7c4b5d7b4bbf7ac653a733c181a8a2bf", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2a8cc6c89039e0530a3335954253b76ed0f9339a", |
| "lessThan": "6d26d0587abccb9835382a0b53faa7b9b1cd83e3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2a8cc6c89039e0530a3335954253b76ed0f9339a", |
| "lessThan": "58cd7fdc8c1e6c7873acc08f190069fed88d1c12", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2a8cc6c89039e0530a3335954253b76ed0f9339a", |
| "lessThan": "a033b86c7f7621fde31f0364af8986f43b44914f", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2a8cc6c89039e0530a3335954253b76ed0f9339a", |
| "lessThan": "2acb2779b147decd300c117683d5a32ce61c75d6", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2a8cc6c89039e0530a3335954253b76ed0f9339a", |
| "lessThan": "49e92ba5ecd7d72ba369dde2ccff738edd028a47", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "2a8cc6c89039e0530a3335954253b76ed0f9339a", |
| "lessThan": "c23fb2c82267638f9d206cb96bb93e1f93ad7828", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/ipv6/addrlabel.c" |
| ], |
| "versions": [ |
| { |
| "version": "2.6.25", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "2.6.25", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.334", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.300", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.267", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.225", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.155", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.79", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.0.9", |
| "lessThanOrEqual": "6.0.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1", |
| "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": "2.6.25", |
| "versionEndExcluding": "4.9.334" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.25", |
| "versionEndExcluding": "4.14.300" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.25", |
| "versionEndExcluding": "4.19.267" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.25", |
| "versionEndExcluding": "5.4.225" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
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| }, |
| { |
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| "versionEndExcluding": "5.15.79" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.25", |
| "versionEndExcluding": "6.0.9" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.25", |
| "versionEndExcluding": "6.1" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/568a47ff756f913e8b374c2af9d22cd2c772c744" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0f85b7ae7c4b5d7b4bbf7ac653a733c181a8a2bf" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/6d26d0587abccb9835382a0b53faa7b9b1cd83e3" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/58cd7fdc8c1e6c7873acc08f190069fed88d1c12" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a033b86c7f7621fde31f0364af8986f43b44914f" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2acb2779b147decd300c117683d5a32ce61c75d6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/49e92ba5ecd7d72ba369dde2ccff738edd028a47" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c23fb2c82267638f9d206cb96bb93e1f93ad7828" |
| } |
| ], |
| "title": "ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2022-49865", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
