{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-05T06:56:17.410","vulnerabilities":[{"cve":{"id":"CVE-2026-23120","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-02-14T15:16:07.157","lastModified":"2026-03-18T13:39:35.227","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nl2tp: avoid one data-race in l2tp_tunnel_del_work()\n\nWe should read sk->sk_socket only when dealing with kernel sockets.\n\nsyzbot reported the following data-race:\n\nBUG: KCSAN: data-race in l2tp_tunnel_del_work / sk_common_release\n\nwrite to 0xffff88811c182b20 of 8 bytes by task 5365 on cpu 0:\n  sk_set_socket include/net/sock.h:2092 [inline]\n  sock_orphan include/net/sock.h:2118 [inline]\n  sk_common_release+0xae/0x230 net/core/sock.c:4003\n  udp_lib_close+0x15/0x20 include/net/udp.h:325\n  inet_release+0xce/0xf0 net/ipv4/af_inet.c:437\n  __sock_release net/socket.c:662 [inline]\n  sock_close+0x6b/0x150 net/socket.c:1455\n  __fput+0x29b/0x650 fs/file_table.c:468\n  ____fput+0x1c/0x30 fs/file_table.c:496\n  task_work_run+0x131/0x1a0 kernel/task_work.c:233\n  resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\n  __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]\n  exit_to_user_mode_loop+0x1fe/0x740 kernel/entry/common.c:75\n  __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]\n  syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]\n  syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]\n  syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]\n  do_syscall_64+0x1e1/0x2b0 arch/x86/entry/syscall_64.c:100\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nread to 0xffff88811c182b20 of 8 bytes by task 827 on cpu 1:\n  l2tp_tunnel_del_work+0x2f/0x1a0 net/l2tp/l2tp_core.c:1418\n  process_one_work kernel/workqueue.c:3257 [inline]\n  process_scheduled_works+0x4ce/0x9d0 kernel/workqueue.c:3340\n  worker_thread+0x582/0x770 kernel/workqueue.c:3421\n  kthread+0x489/0x510 kernel/kthread.c:463\n  ret_from_fork+0x149/0x290 arch/x86/kernel/process.c:158\n  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246\n\nvalue changed: 0xffff88811b818000 -> 0x0000000000000000"},{"lang":"es","value":"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nl2tp: evitar una carrera de datos en l2tp_tunnel_del_work()\n\nDeberíamos leer sk->sk_socket solo cuando se trata de sockets del kernel.\n\nsyzbot informó la siguiente carrera de datos:\n\nBUG: KCSAN: carrera de datos en l2tp_tunnel_del_work / sk_common_release\n\nescritura en 0xffff88811c182b20 de 8 bytes por la tarea 5365 en la cpu 0:\n  sk_set_socket include/net/sock.h:2092 [inline]\n  sock_orphan include/net/sock.h:2118 [inline]\n  sk_common_release+0xae/0x230 net/core/sock.c:4003\n  udp_lib_close+0x15/0x20 include/net/udp.h:325\n  inet_release+0xce/0xf0 net/ipv4/af_inet.c:437\n  __sock_release net/socket.c:662 [inline]\n  sock_close+0x6b/0x150 net/socket.c:1455\n  __fput+0x29b/0x650 fs/file_table.c:468\n  ____fput+0x1c/0x30 fs/file_table.c:496\n  task_work_run+0x131/0x1a0 kernel/task_work.c:233\n  resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\n  __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]\n  exit_to_user_mode_loop+0x1fe/0x740 kernel/entry/common.c:75\n  __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]\n  syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]\n  syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]\n  syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]\n  do_syscall_64+0x1e1/0x2b0 arch/x86/entry/syscall_64.c:100\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nlectura en 0xffff88811c182b20 de 8 bytes por la tarea 827 en la cpu 1:\n  l2tp_tunnel_del_work+0x2f/0x1a0 net/l2tp/l2tp_core.c:1418\n  process_one_work kernel/workqueue.c:3257 [inline]\n  process_scheduled_works+0x4ce/0x9d0 kernel/workqueue.c:3340\n  worker_thread+0x582/0x770 kernel/workqueue.c:3421\n  kthread+0x489/0x510 kernel/kthread.c:463\n  ret_from_fork+0x149/0x290 arch/x86/kernel/process.c:158\n  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246\n\nvalor cambiado: 0xffff88811b818000 -> 0x0000000000000000"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.57","versionEndExcluding":"3.17","matchCriteriaId":"38BA6B6B-1C08-4FA2-9202-D6F0F7E2F21C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15.8","versionEndExcluding":"4.16","matchCriteriaId":"252FC08B-7067-4768-8ACD-ABFE62451433"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16.1","versionEndExcluding":"5.10.249","matchCriteriaId":"A1944CE8-6BD5-4834-8128-59789B6959EB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.199","matchCriteriaId":"A247FBA6-BEB9-484F-B892-DD5517949CCD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.162","matchCriteriaId":"6579E0D4-0641-479D-A4C3-0EF618798C55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.122","matchCriteriaId":"8EAAE395-0162-4BAF-9AD5-E9AF3C869C4F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.68","matchCriteriaId":"52F38E19-0FDD-4992-9D6D-D4169D689598"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.8","matchCriteriaId":"E65C6E79-7EBE-4C77-93F0-818CF5B38F4E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:4.16:-:*:*:*:*:*:*","matchCriteriaId":"F60469AF-0A23-41D3-BC6A-C0D9A45A2CBC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:4.16:rc5:*:*:*:*:*:*","matchCriteriaId":"CA2A106F-944D-42C5-BB4B-E81B97A57CDA"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:4.16:rc6:*:*:*:*:*:*","matchCriteriaId":"B14098E0-F40A-4C8E-B285-E96E6E604582"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:4.16:rc7:*:*:*:*:*:*","matchCriteriaId":"01CC5953-3A04-4AA8-B8F9-18BFE5EF7FCE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*","matchCriteriaId":"17B67AA7-40D6-4AFA-8459-F200F3D7CFD1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*","matchCriteriaId":"C47E4CC9-C826-4FA9-B014-7FE3D9B318B2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*","matchCriteriaId":"F71D92C0-C023-48BD-B3B6-70B638EEE298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*","matchCriteriaId":"13580667-0A98-40CC-B29F-D12790B91BDB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*","matchCriteriaId":"CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*","matchCriteriaId":"3EF854A1-ABB1-4E93-BE9A-44569EC76C0D"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1f63ca44b4f419a1663d94d1bb0b4e2beb73fdb4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/32d417497b79efb403d75f4c185fe6fd9d64b94f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/36c40a80109f1771d59558050b1a71e13c60c759","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3d6d414b214ce31659bded2f8df50c93a3769474","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/68e92085427c84e7679ddb53c0d68836d220b6e7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/7a29f6bf60f2590fe5e9c4decb451e19afad2bcf","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/eae074dab764ea181bbed5e88626889319177498","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}