{ "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-2023-53853", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53853", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2025-12-09T01:30:18.628Z", "updatedAt": "2026-05-11T19:52:47.011Z", "importedAt": "2026-10-24T01:57:03.413Z", "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": "netlink: annotate accesses to nlk->cb_running", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: annotate accesses to nlk->cb_running\n\nBoth netlink_recvmsg() and netlink_native_seq_show() read\nnlk->cb_running locklessly. Use READ_ONCE() there.\n\nAdd corresponding WRITE_ONCE() to netlink_dump() and\n__netlink_dump_start()\n\nsyzbot reported:\nBUG: KCSAN: data-race in __netlink_dump_start / netlink_recvmsg\n\nwrite to 0xffff88813ea4db59 of 1 bytes by task 28219 on cpu 0:\n__netlink_dump_start+0x3af/0x4d0 net/netlink/af_netlink.c:2399\nnetlink_dump_start include/linux/netlink.h:308 [inline]\nrtnetlink_rcv_msg+0x70f/0x8c0 net/core/rtnetlink.c:6130\nnetlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2577\nrtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6192\nnetlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]\nnetlink_unicast+0x56f/0x640 net/netlink/af_netlink.c:1365\nnetlink_sendmsg+0x665/0x770 net/netlink/af_netlink.c:1942\nsock_sendmsg_nosec net/socket.c:724 [inline]\nsock_sendmsg net/socket.c:747 [inline]\nsock_write_iter+0x1aa/0x230 net/socket.c:1138\ncall_write_iter include/linux/fs.h:1851 [inline]\nnew_sync_write fs/read_write.c:491 [inline]\nvfs_write+0x463/0x760 fs/read_write.c:584\nksys_write+0xeb/0x1a0 fs/read_write.c:637\n__do_sys_write fs/read_write.c:649 [inline]\n__se_sys_write fs/read_write.c:646 [inline]\n__x64_sys_write+0x42/0x50 fs/read_write.c:646\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nread to 0xffff88813ea4db59 of 1 bytes by task 28222 on cpu 1:\nnetlink_recvmsg+0x3b4/0x730 net/netlink/af_netlink.c:2022\nsock_recvmsg_nosec+0x4c/0x80 net/socket.c:1017\n____sys_recvmsg+0x2db/0x310 net/socket.c:2718\n___sys_recvmsg net/socket.c:2762 [inline]\ndo_recvmmsg+0x2e5/0x710 net/socket.c:2856\n__sys_recvmmsg net/socket.c:2935 [inline]\n__do_sys_recvmmsg net/socket.c:2958 [inline]\n__se_sys_recvmmsg net/socket.c:2951 [inline]\n__x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2951\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nvalue changed: 0x00 -> 0x01", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b", "status": "affected", "versionType": "git", "lessThan": "e25e9d8a210ed78bdf0f364576dbee13aefadbf8" }, { "version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b", "status": "affected", "versionType": "git", "lessThan": "840a647499b093621167de56ffa8756dfc69f242" }, { "version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b", "status": "affected", "versionType": "git", "lessThan": "a507022c862e10744a92c4bf5709775450a110ad" }, { "version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b", "status": "affected", "versionType": "git", "lessThan": "f92557f79a60cb142258f5fa7194f327573fadd8" }, { "version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b", "status": "affected", "versionType": "git", "lessThan": "1d5c8b01f1df0461256a6d75854ed806f50645a3" }, { "version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b", "status": "affected", "versionType": "git", "lessThan": "a115dadf8995b1730c36c474401d97355705cb88" }, { "version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b", "status": "affected", "versionType": "git", "lessThan": "02e7afd659a4c9ce1e98fc01ab4c510f3de1f0b3" }, { "version": "16b304f3404f8e0243d5ee2b70b68767b7b59b2b", "status": "affected", "versionType": "git", "lessThan": "a939d14919b799e6fff8a9c80296ca229ba2f8a4" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "3.12", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "3.12" }, { "version": "4.14.316", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.284", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.244", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.181", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.113", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.30", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.3.4", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.3.*" }, { "version": "6.4", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }