{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68787", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:30:51.036Z", "datePublished": "2026-01-13T15:29:00.344Z", "dateUpdated": "2026-02-09T08:33:34.092Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-09T08:33:34.092Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetrom: Fix memory leak in nr_sendmsg()\n\nsyzbot reported a memory leak [1].\n\nWhen function sock_alloc_send_skb() return NULL in nr_output(), the\noriginal skb is not freed, which was allocated in nr_sendmsg(). Fix this\nby freeing it before return.\n\n[1]\nBUG: memory leak\nunreferenced object 0xffff888129f35500 (size 240):\n comm \"syz.0.17\", pid 6119, jiffies 4294944652\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 10 52 28 81 88 ff ff ..........R(....\n backtrace (crc 1456a3e4):\n kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]\n slab_post_alloc_hook mm/slub.c:4983 [inline]\n slab_alloc_node mm/slub.c:5288 [inline]\n kmem_cache_alloc_node_noprof+0x36f/0x5e0 mm/slub.c:5340\n __alloc_skb+0x203/0x240 net/core/skbuff.c:660\n alloc_skb include/linux/skbuff.h:1383 [inline]\n alloc_skb_with_frags+0x69/0x3f0 net/core/skbuff.c:6671\n sock_alloc_send_pskb+0x379/0x3e0 net/core/sock.c:2965\n sock_alloc_send_skb include/net/sock.h:1859 [inline]\n nr_sendmsg+0x287/0x450 net/netrom/af_netrom.c:1105\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n sock_write_iter+0x293/0x2a0 net/socket.c:1195\n new_sync_write fs/read_write.c:593 [inline]\n vfs_write+0x45d/0x710 fs/read_write.c:686\n ksys_write+0x143/0x170 fs/read_write.c:738\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netrom/nr_out.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f77e538ac4e3adb1882d5bccb7bfdc111b5963d3", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "09efbf54eeaecebe882af603c9939a4b1bb9567e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "73839497bbde5cd4fd02bbd9c8bc2640780ae65d", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "156a0f6341dce634a825db49ca20b48b1ae9bcc1", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8d1ccba4b171cd504ecfa47349cb9864fc9d687c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "51f5fbc1681bdcffcc7d18bf3dfdb2b1278d3977", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "613d12dd794e078be8ff3cf6b62a6b9acf7f4619", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netrom/nr_out.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.248", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.198", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.160", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.120", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.3", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.10.248"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.15.198"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.1.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.6.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.12.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f77e538ac4e3adb1882d5bccb7bfdc111b5963d3"}, {"url": "https://git.kernel.org/stable/c/09efbf54eeaecebe882af603c9939a4b1bb9567e"}, {"url": "https://git.kernel.org/stable/c/73839497bbde5cd4fd02bbd9c8bc2640780ae65d"}, {"url": "https://git.kernel.org/stable/c/156a0f6341dce634a825db49ca20b48b1ae9bcc1"}, {"url": "https://git.kernel.org/stable/c/8d1ccba4b171cd504ecfa47349cb9864fc9d687c"}, {"url": "https://git.kernel.org/stable/c/51f5fbc1681bdcffcc7d18bf3dfdb2b1278d3977"}, {"url": "https://git.kernel.org/stable/c/613d12dd794e078be8ff3cf6b62a6b9acf7f4619"}], "title": "netrom: Fix memory leak in nr_sendmsg()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetrom: Fix memory leak in nr_sendmsg()\n\nsyzbot reported a memory leak [1].\n\nWhen function sock_alloc_send_skb() return NULL in nr_output(), the\noriginal skb is not freed, which was allocated in nr_sendmsg(). Fix this\nby freeing it before return.\n\n[1]\nBUG: memory leak\nunreferenced object 0xffff888129f35500 (size 240):\n comm \"syz.0.17\", pid 6119, jiffies 4294944652\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 10 52 28 81 88 ff ff ..........R(....\n backtrace (crc 1456a3e4):\n kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]\n slab_post_alloc_hook mm/slub.c:4983 [inline]\n slab_alloc_node mm/slub.c:5288 [inline]\n kmem_cache_alloc_node_noprof+0x36f/0x5e0 mm/slub.c:5340\n __alloc_skb+0x203/0x240 net/core/skbuff.c:660\n alloc_skb include/linux/skbuff.h:1383 [inline]\n alloc_skb_with_frags+0x69/0x3f0 net/core/skbuff.c:6671\n sock_alloc_send_pskb+0x379/0x3e0 net/core/sock.c:2965\n sock_alloc_send_skb include/net/sock.h:1859 [inline]\n nr_sendmsg+0x287/0x450 net/netrom/af_netrom.c:1105\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n sock_write_iter+0x293/0x2a0 net/socket.c:1195\n new_sync_write fs/read_write.c:593 [inline]\n vfs_write+0x45d/0x710 fs/read_write.c:686\n ksys_write+0x143/0x170 fs/read_write.c:738\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"}], "id": "CVE-2025-68787", "lastModified": "2026-01-19T13:16:13.750", "metrics": {}, "published": "2026-01-13T16:15:58.497", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/09efbf54eeaecebe882af603c9939a4b1bb9567e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/156a0f6341dce634a825db49ca20b48b1ae9bcc1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/51f5fbc1681bdcffcc7d18bf3dfdb2b1278d3977"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/613d12dd794e078be8ff3cf6b62a6b9acf7f4619"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/73839497bbde5cd4fd02bbd9c8bc2640780ae65d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8d1ccba4b171cd504ecfa47349cb9864fc9d687c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f77e538ac4e3adb1882d5bccb7bfdc111b5963d3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: netrom: Fix memory leak in nr_sendmsg()", "id": "2429090", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429090"}, "csaw": false, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetrom: Fix memory leak in nr_sendmsg()\nsyzbot reported a memory leak [1].\nWhen function sock_alloc_send_skb() return NULL in nr_output(), the\noriginal skb is not freed, which was allocated in nr_sendmsg(). Fix this\nby freeing it before return.\n[1]\nBUG: memory leak\nunreferenced object 0xffff888129f35500 (size 240):\ncomm \"syz.0.17\", pid 6119, jiffies 4294944652\nhex dump (first 32 bytes):\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n00 00 00 00 00 00 00 00 00 10 52 28 81 88 ff ff ..........R(....\nbacktrace (crc 1456a3e4):\nkmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]\nslab_post_alloc_hook mm/slub.c:4983 [inline]\nslab_alloc_node mm/slub.c:5288 [inline]\nkmem_cache_alloc_node_noprof+0x36f/0x5e0 mm/slub.c:5340\n__alloc_skb+0x203/0x240 net/core/skbuff.c:660\nalloc_skb include/linux/skbuff.h:1383 [inline]\nalloc_skb_with_frags+0x69/0x3f0 net/core/skbuff.c:6671\nsock_alloc_send_pskb+0x379/0x3e0 net/core/sock.c:2965\nsock_alloc_send_skb include/net/sock.h:1859 [inline]\nnr_sendmsg+0x287/0x450 net/netrom/af_netrom.c:1105\nsock_sendmsg_nosec net/socket.c:727 [inline]\n__sock_sendmsg net/socket.c:742 [inline]\nsock_write_iter+0x293/0x2a0 net/socket.c:1195\nnew_sync_write fs/read_write.c:593 [inline]\nvfs_write+0x45d/0x710 fs/read_write.c:686\nksys_write+0x143/0x170 fs/read_write.c:738\ndo_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\ndo_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94\nentry_SYSCALL_64_after_hwframe+0x77/0x7f"], "name": "CVE-2025-68787", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-01-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68787\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68787\nhttps://lore.kernel.org/linux-cve-announce/2026011303-CVE-2025-68787-af6d@gregkh/T"]}

{}