{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-48652", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48652", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2024-04-28T13:00:47.842Z", "updatedAt": "2026-08-05T08:51:37.429Z", "importedAt": "2026-10-24T01:56:45.230Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "ice: Fix crash by keep old cfg when update TCs more than queues", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: Fix crash by keep old cfg when update TCs more than queues\n\nThere are problems if allocated queues less than Traffic Classes.\n\nCommit a632b2a4c920 (\"ice: ethtool: Prohibit improper channel config\nfor DCB\") already disallow setting less queues than TCs.\n\nAnother case is if we first set less queues, and later update more TCs\nconfig due to LLDP, ice_vsi_cfg_tc() will failed but left dirty\nnum_txq/rxq and tc_cfg in vsi, that will cause invalid pointer access.\n\n[ 95.968089] ice 0000:3b:00.1: More TCs defined than queues/rings allocated.\n[ 95.968092] ice 0000:3b:00.1: Trying to use more Rx queues (8), than were allocated (1)!\n[ 95.968093] ice 0000:3b:00.1: Failed to config TC for VSI index: 0\n[ 95.969621] general protection fault: 0000 [#1] SMP NOPTI\n[ 95.969705] CPU: 1 PID: 58405 Comm: lldpad Kdump: loaded Tainted: G U W O --------- -t - 4.18.0 #1\n[ 95.969867] Hardware name: O.E.M/BC11SPSCB10, BIOS 8.23 12/30/2021\n[ 95.969992] RIP: 0010:devm_kmalloc+0xa/0x60\n[ 95.970052] Code: 5c ff ff ff 31 c0 5b 5d 41 5c c3 b8 f4 ff ff ff eb f4 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 89 d1 <8b> 97 60 02 00 00 48 8d 7e 18 48 39 f7 72 3f 55 89 ce 53 48 8b 4c\n[ 95.970344] RSP: 0018:ffffc9003f553888 EFLAGS: 00010206\n[ 95.970425] RAX: dead000000000200 RBX: ffffea003c425b00 RCX: 00000000006080c0\n[ 95.970536] RDX: 00000000006080c0 RSI: 0000000000000200 RDI: dead000000000200\n[ 95.970648] RBP: dead000000000200 R08: 00000000000463c0 R09: ffff888ffa900000\n[ 95.970760] R10: 0000000000000000 R11: 0000000000000002 R12: ffff888ff6b40100\n[ 95.970870] R13: ffff888ff6a55018 R14: 0000000000000000 R15: ffff888ff6a55460\n[ 95.970981] FS: 00007f51b7d24700(0000) GS:ffff88903ee80000(0000) knlGS:0000000000000000\n[ 95.971108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 95.971197] CR2: 00007fac5410d710 CR3: 0000000f2c1de002 CR4: 00000000007606e0\n[ 95.971309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 95.971419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 95.971530] PKRU: 55555554\n[ 95.971573] Call Trace:\n[ 95.971622] ice_setup_rx_ring+0x39/0x110 [ice]\n[ 95.971695] ice_vsi_setup_rx_rings+0x54/0x90 [ice]\n[ 95.971774] ice_vsi_open+0x25/0x120 [ice]\n[ 95.971843] ice_open_internal+0xb8/0x1f0 [ice]\n[ 95.971919] ice_ena_vsi+0x4f/0xd0 [ice]\n[ 95.971987] ice_dcb_ena_dis_vsi.constprop.5+0x29/0x90 [ice]\n[ 95.972082] ice_pf_dcb_cfg+0x29a/0x380 [ice]\n[ 95.972154] ice_dcbnl_setets+0x174/0x1b0 [ice]\n[ 95.972220] dcbnl_ieee_set+0x89/0x230\n[ 95.972279] ? dcbnl_ieee_del+0x150/0x150\n[ 95.972341] dcb_doit+0x124/0x1b0\n[ 95.972392] rtnetlink_rcv_msg+0x243/0x2f0\n[ 95.972457] ? dcb_doit+0x14d/0x1b0\n[ 95.972510] ? __kmalloc_node_track_caller+0x1d3/0x280\n[ 95.972591] ? rtnl_calcit.isra.31+0x100/0x100\n[ 95.972661] netlink_rcv_skb+0xcf/0xf0\n[ 95.972720] netlink_unicast+0x16d/0x220\n[ 95.972781] netlink_sendmsg+0x2ba/0x3a0\n[ 95.975891] sock_sendmsg+0x4c/0x50\n[ 95.979032] ___sys_sendmsg+0x2e4/0x300\n[ 95.982147] ? kmem_cache_alloc+0x13e/0x190\n[ 95.985242] ? __wake_up_common_lock+0x79/0x90\n[ 95.988338] ? __check_object_size+0xac/0x1b0\n[ 95.991440] ? _copy_to_user+0x22/0x30\n[ 95.994539] ? move_addr_to_user+0xbb/0xd0\n[ 95.997619] ? __sys_sendmsg+0x53/0x80\n[ 96.000664] __sys_sendmsg+0x53/0x80\n[ 96.003747] do_syscall_64+0x5b/0x1d0\n[ 96.006862] entry_SYSCALL_64_after_hwframe+0x65/0xca\n\nOnly update num_txq/rxq when passed check, and restore tc_cfg if setup\nqueue map failed.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "a632b2a4c920ce5af29410fb091f7ee6d2e77dc6", "status": "affected", "versionType": "git", "lessThan": "7c945e5b4787db47d728120b56c934ba05f99864" }, { "version": "a632b2a4c920ce5af29410fb091f7ee6d2e77dc6", "status": "affected", "versionType": "git", "lessThan": "a509702cac95a8b450228a037c8542f57e538e5b" }, { "version": "4520c4bf4dca7aa285f30cb1ca8c08c531bbf0e9", "status": "affected", "versionType": "git" }, { "version": "5.18.8", "status": "affected", "versionType": "semver", "lessThan": "5.19" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.19", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.19" }, { "version": "5.19.12", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.19.*" }, { "version": "6.0", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }