{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T20:29:11.761","vulnerabilities":[{"cve":{"id":"CVE-2025-21719","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-27T02:15:15.580","lastModified":"2025-11-03T20:17:11.860","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipmr: do not call mr_mfc_uses_dev() for unres entries\n\nsyzbot found that calling mr_mfc_uses_dev() for unres entries\nwould crash [1], because c->mfc_un.res.minvif / c->mfc_un.res.maxvif\nalias to \"struct sk_buff_head unresolved\", which contain two pointers.\n\nThis code never worked, lets remove it.\n\n[1]\nUnable to handle kernel paging request at virtual address ffff5fff2d536613\nKASAN: maybe wild-memory-access in range [0xfffefff96a9b3098-0xfffefff96a9b309f]\nModules linked in:\nCPU: 1 UID: 0 PID: 7321 Comm: syz.0.16 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : mr_mfc_uses_dev net/ipv4/ipmr_base.c:290 [inline]\n pc : mr_table_dump+0x5a4/0x8b0 net/ipv4/ipmr_base.c:334\n lr : mr_mfc_uses_dev net/ipv4/ipmr_base.c:289 [inline]\n lr : mr_table_dump+0x694/0x8b0 net/ipv4/ipmr_base.c:334\nCall trace:\n  mr_mfc_uses_dev net/ipv4/ipmr_base.c:290 [inline] (P)\n  mr_table_dump+0x5a4/0x8b0 net/ipv4/ipmr_base.c:334 (P)\n  mr_rtm_dumproute+0x254/0x454 net/ipv4/ipmr_base.c:382\n  ipmr_rtm_dumproute+0x248/0x4b4 net/ipv4/ipmr.c:2648\n  rtnl_dump_all+0x2e4/0x4e8 net/core/rtnetlink.c:4327\n  rtnl_dumpit+0x98/0x1d0 net/core/rtnetlink.c:6791\n  netlink_dump+0x4f0/0xbc0 net/netlink/af_netlink.c:2317\n  netlink_recvmsg+0x56c/0xe64 net/netlink/af_netlink.c:1973\n  sock_recvmsg_nosec net/socket.c:1033 [inline]\n  sock_recvmsg net/socket.c:1055 [inline]\n  sock_read_iter+0x2d8/0x40c net/socket.c:1125\n  new_sync_read fs/read_write.c:484 [inline]\n  vfs_read+0x740/0x970 fs/read_write.c:565\n  ksys_read+0x15c/0x26c fs/read_write.c:708"},{"lang":"es","value":"En el núcleo de Linux, se ha resuelto la siguiente vulnerabilidad: ipmr: no llamar a mr_mfc_uses_dev() para entradas no resueltas syzbot descubrió que llamar a mr_mfc_uses_dev() para entradas no resueltas provocaría un bloqueo [1], porque c->mfc_un.res.minvif / c->mfc_un.res.maxvif son alias de \"struct sk_buff_head unresolved\", que contienen dos punteros. Este código nunca funcionó, eliminémoslo. [1] No se puede manejar la solicitud de paginación del kernel en la dirección virtual ffff5fff2d536613 KASAN: tal vez un acceso a memoria salvaje en el rango [0xfffefff96a9b3098-0xfffefff96a9b309f] Módulos vinculados: CPU: 1 UID: 0 PID: 7321 Comm: syz.0.16 No contaminado 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 13/09/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mr_mfc_uses_dev net/ipv4/ipmr_base.c:290 [en línea] pc : mr_table_dump+0x5a4/0x8b0 net/ipv4/ipmr_base.c:334 lr : mr_mfc_uses_dev net/ipv4/ipmr_base.c:289 [en línea] lr : mr_table_dump+0x694/0x8b0 net/ipv4/ipmr_base.c:334 Rastreo de llamadas: mr_mfc_uses_dev net/ipv4/ipmr_base.c:290 [en línea] (P) mr_table_dump+0x5a4/0x8b0 net/ipv4/ipmr_base.c:334 (P) mr_rtm_dumproute+0x254/0x454 net/ipv4/ipmr_base.c:382 ipmr_rtm_dumproute+0x248/0x4b4 net/ipv4/ipmr.c:2648 rtnl_dump_all+0x2e4/0x4e8 net/core/rtnetlink.c:4327 rtnl_dumpit+0x98/0x1d0 net/core/rtnetlink.c:6791 netlink_dump+0x4f0/0xbc0 net/netlink/af_netlink.c:2317 netlink_recvmsg+0x56c/0xe64 net/netlink/af_netlink.c:1973 sock_recvmsg_nosec net/socket.c:1033 [en línea] sock_recvmsg net/socket.c:1055 [en línea] sock_read_iter+0x2d8/0x40c net/socket.c:1125 new_sync_read fs/read_write.c:484 [en línea] vfs_read+0x740/0x970 fs/read_write.c:565 ksys_read+0x15c/0x26c fs/read_write.c:708"}],"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:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-125"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.291","matchCriteriaId":"0621B0C8-6B2C-4585-A573-E22908F29576"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.235","matchCriteriaId":"545121FA-DE31-4154-9446-C2000FB4104D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.179","matchCriteriaId":"C708062C-4E1B-465F-AE6D-C09C46400875"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.129","matchCriteriaId":"2DA5009C-C9B9-4A1D-9B96-78427E8F232C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.76","matchCriteriaId":"A6D70701-9CB6-4222-A957-00A419878993"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.13","matchCriteriaId":"2897389C-A8C3-4D69-90F2-E701B3D66373"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.13.2","matchCriteriaId":"6D4116B1-1BFD-4F23-BA84-169CC05FC5A3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/15a901361ec3fb1c393f91880e1cbf24ec0a88bd","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/26bb7d991f04eeef47dfad23e533834995c26f7a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/53df27fd38f84bd3cd6b004eb4ff3c4903114f1d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/547ef7e8cbb98f966c8719a3e15d4e078aaa9b47","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/57177c5f47a8da852f8d76cf6945cf803f8bb9e5","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/71a0fcb68c0a5f3ec912b540cd5d72148e6ee5f1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a099834a51ccf9bbba3de86a251b3433539abfde","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b379b3162ff55a70464c6a934ae9bf0497478a62","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}