{ "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-2026-23010", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-23010", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-01-25T14:36:23.593Z", "updatedAt": "2026-10-15T01:12:36.399Z", "importedAt": "2026-10-24T01:58:02.025Z", "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": "ipv6: Fix use-after-free in inet6_addr_del().", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix use-after-free in inet6_addr_del().\n\nsyzbot reported use-after-free of inet6_ifaddr in\ninet6_addr_del(). [0]\n\nThe cited commit accidentally moved ipv6_del_addr() for\nmngtmpaddr before reading its ifp->flags for temporary\naddresses in inet6_addr_del().\n\nLet's move ipv6_del_addr() down to fix the UAF.\n\n[0]:\nBUG: KASAN: slab-use-after-free in inet6_addr_del.constprop.0+0x67a/0x6b0 net/ipv6/addrconf.c:3117\nRead of size 4 at addr ffff88807b89c86c by task syz.3.1618/9593\n\nCPU: 0 UID: 0 PID: 9593 Comm: syz.3.1618 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025\nCall Trace:\n \n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xcd/0x630 mm/kasan/report.c:482\n kasan_report+0xe0/0x110 mm/kasan/report.c:595\n inet6_addr_del.constprop.0+0x67a/0x6b0 net/ipv6/addrconf.c:3117\n addrconf_del_ifaddr+0x11e/0x190 net/ipv6/addrconf.c:3181\n inet6_ioctl+0x1e5/0x2b0 net/ipv6/af_inet6.c:582\n sock_do_ioctl+0x118/0x280 net/socket.c:1254\n sock_ioctl+0x227/0x6b0 net/socket.c:1375\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:597 [inline]\n __se_sys_ioctl fs/ioctl.c:583 [inline]\n __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f164cf8f749\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f164de64038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\nRAX: ffffffffffffffda RBX: 00007f164d1e5fa0 RCX: 00007f164cf8f749\nRDX: 0000200000000000 RSI: 0000000000008936 RDI: 0000000000000003\nRBP: 00007f164d013f91 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007f164d1e6038 R14: 00007f164d1e5fa0 R15: 00007ffde15c8288\n \n\nAllocated by task 9593:\n kasan_save_stack+0x33/0x60 mm/kasan/common.c:56\n kasan_save_track+0x14/0x30 mm/kasan/common.c:77\n poison_kmalloc_redzone mm/kasan/common.c:397 [inline]\n __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:414\n kmalloc_noprof include/linux/slab.h:957 [inline]\n kzalloc_noprof include/linux/slab.h:1094 [inline]\n ipv6_add_addr+0x4e3/0x2010 net/ipv6/addrconf.c:1120\n inet6_addr_add+0x256/0x9b0 net/ipv6/addrconf.c:3050\n addrconf_add_ifaddr+0x1fc/0x450 net/ipv6/addrconf.c:3160\n inet6_ioctl+0x103/0x2b0 net/ipv6/af_inet6.c:580\n sock_do_ioctl+0x118/0x280 net/socket.c:1254\n sock_ioctl+0x227/0x6b0 net/socket.c:1375\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:597 [inline]\n __se_sys_ioctl fs/ioctl.c:583 [inline]\n __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 6099:\n kasan_save_stack+0x33/0x60 mm/kasan/common.c:56\n kasan_save_track+0x14/0x30 mm/kasan/common.c:77\n kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:584\n poison_slab_object mm/kasan/common.c:252 [inline]\n __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:284\n kasan_slab_free include/linux/kasan.h:234 [inline]\n slab_free_hook mm/slub.c:2540 [inline]\n slab_free_freelist_hook mm/slub.c:2569 [inline]\n slab_free_bulk mm/slub.c:6696 [inline]\n kmem_cache_free_bulk mm/slub.c:7383 [inline]\n kmem_cache_free_bulk+0x2bf/0x680 mm/slub.c:7362\n kfree_bulk include/linux/slab.h:830 [inline]\n kvfree_rcu_bulk+0x1b7/0x1e0 mm/slab_common.c:1523\n kvfree_rcu_drain_ready mm/slab_common.c:1728 [inline]\n kfree_rcu_monitor+0x1d0/0x2f0 mm/slab_common.c:1801\n process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257\n process_scheduled_works kernel/workqu\n---truncated---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "ca97dd10424860a3806ad3a9e26b9dce2901ee0c", "status": "affected", "versionType": "git", "lessThan": "6e89d60b4f03014f7d412ce64b17a840840d490e" }, { "version": "836deb96383ed9c1a411f172954d74b3f74ec6ac", "status": "affected", "versionType": "git", "lessThan": "9356b69d03d0f50cce91cebdabd33dda023fbd64" }, { "version": "cb74207ef98317f8874a0b9780bb339c2eb700b0", "status": "affected", "versionType": "git", "lessThan": "2684610a9c9c53f262fd864fa5c407e79f304804" }, { "version": "00b5b7aab9e422d00d5a9d03d7e0760a76b5d57f", "status": "affected", "versionType": "git", "lessThan": "8b6dcb565e419846bd521e31d5e1f98e4d0e1179" }, { "version": "00b5b7aab9e422d00d5a9d03d7e0760a76b5d57f", "status": "affected", "versionType": "git", "lessThan": "ddf96c393a33aef4887e2e406c76c2f8cda1419c" }, { "version": "851b3bb105c595cc20b8dcc1b4de029061ce2b76", "status": "affected", "versionType": "git" }, { "version": "6.1.120", "status": "affected", "versionType": "semver", "lessThan": "6.1.162" }, { "version": "6.6.64", "status": "affected", "versionType": "semver", "lessThan": "6.6.122" }, { "version": "6.12.2", "status": "affected", "versionType": "semver", "lessThan": "6.12.67" }, { "version": "6.11.11", "status": "affected", "versionType": "semver", "lessThan": "6.12" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "6.13", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "6.13" }, { "version": "6.1.162", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.122", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.67", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.18.7", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.18.*" }, { "version": "6.19", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }