{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/centos6els/vex/2022/cve-2022-49865-els_os-centos6els.json" } ], "tracking": { "current_release_date": "2026-03-17T16:48:38Z", "generator": { "date": "2026-03-17T16:48:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2022-49865-ELS_OS-CENTOS6ELS", "initial_release_date": "2022-01-01T00:00:00Z", "revision_history": [ { "date": "2022-01-01T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-03-17T16:48:38Z", "number": "2", "summary": "Official Publication" } ], "status": "final", "version": "2" }, "title": "Security update on 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"full_product_name": { "name": "kernel-debug-0:2.6.32-754.35.8.el6.x86_64 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:kernel-debug-0:2.6.32-754.35.8.el6.x86_64" }, "product_reference": "kernel-debug-0:2.6.32-754.35.8.el6.x86_64", "relates_to_product_reference": "CentOS-6" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-49865", "cwe": { "id": "CWE-909", "name": "Missing Initialization of Resource" }, "notes": [ { "category": "description", "text": "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.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "CentOS-6:kernel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-abi-whitelists-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-debug-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.i686", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-doc-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-firmware-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-headers-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:perf-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:python-perf-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64" ], "known_affected": [ "CentOS-6:kernel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-abi-whitelists-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-debug-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.i686", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-devel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-doc-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-firmware-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-headers-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:perf-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:python-perf-0:2.6.32-754.35.8.el6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2022-49865" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/0f85b7ae7c4b5d7b4bbf7ac653a733c181a8a2bf", "url": "https://git.kernel.org/stable/c/0f85b7ae7c4b5d7b4bbf7ac653a733c181a8a2bf" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/2acb2779b147decd300c117683d5a32ce61c75d6", "url": "https://git.kernel.org/stable/c/2acb2779b147decd300c117683d5a32ce61c75d6" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/49e92ba5ecd7d72ba369dde2ccff738edd028a47", "url": "https://git.kernel.org/stable/c/49e92ba5ecd7d72ba369dde2ccff738edd028a47" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/568a47ff756f913e8b374c2af9d22cd2c772c744", "url": "https://git.kernel.org/stable/c/568a47ff756f913e8b374c2af9d22cd2c772c744" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/58cd7fdc8c1e6c7873acc08f190069fed88d1c12", "url": "https://git.kernel.org/stable/c/58cd7fdc8c1e6c7873acc08f190069fed88d1c12" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/6d26d0587abccb9835382a0b53faa7b9b1cd83e3", "url": "https://git.kernel.org/stable/c/6d26d0587abccb9835382a0b53faa7b9b1cd83e3" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/a033b86c7f7621fde31f0364af8986f43b44914f", "url": "https://git.kernel.org/stable/c/a033b86c7f7621fde31f0364af8986f43b44914f" }, { "category": "external", "summary": "https://git.kernel.org/stable/c/c23fb2c82267638f9d206cb96bb93e1f93ad7828", "url": "https://git.kernel.org/stable/c/c23fb2c82267638f9d206cb96bb93e1f93ad7828" } ], "release_date": "2025-05-01T15:16:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-03-09T08:07:32.429173Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1773043650", "product_ids": [ "CentOS-6:kernel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-abi-whitelists-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-debug-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.i686", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-doc-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-firmware-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-headers-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:perf-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:python-perf-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1773043650" }, { "category": "none_available", "details": "Affected", "product_ids": [ "CentOS-6:kernel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-abi-whitelists-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-debug-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.i686", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-devel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-doc-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-firmware-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-headers-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:perf-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:python-perf-0:2.6.32-754.35.8.el6.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1" }, "products": [ "CentOS-6:kernel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-abi-whitelists-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-abi-whitelists-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-debug-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-debug-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.i686", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.i686", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-debug-devel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-devel-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-devel-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:kernel-doc-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-doc-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-firmware-0:2.6.32-754.35.8.el6.noarch", "CentOS-6:kernel-firmware-0:2.6.32-754.35.8.el6.tuxcare.els30.noarch", "CentOS-6:kernel-headers-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:kernel-headers-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:perf-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:perf-0:2.6.32-754.35.8.el6.x86_64", "CentOS-6:python-perf-0:2.6.32-754.35.8.el6.tuxcare.els30.x86_64", "CentOS-6:python-perf-0:2.6.32-754.35.8.el6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }