{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23184", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.984Z", "datePublished": "2026-02-14T16:27:14.167Z", "dateUpdated": "2026-02-14T16:27:14.167Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-14T16:27:14.167Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix UAF in binder_netlink_report()\n\nOneway transactions sent to frozen targets via binder_proc_transaction()\nreturn a BR_TRANSACTION_PENDING_FROZEN error but they are still treated\nas successful since the target is expected to thaw at some point. It is\nthen not safe to access 't' after BR_TRANSACTION_PENDING_FROZEN errors\nas the transaction could have been consumed by the now thawed target.\n\nThis is the case for binder_netlink_report() which derreferences 't'\nafter a pending frozen error, as pointed out by the following KASAN\nreport:\n\n ==================================================================\n BUG: KASAN: slab-use-after-free in binder_netlink_report.isra.0+0x694/0x6c8\n Read of size 8 at addr ffff00000f98ba38 by task binder-util/522\n\n CPU: 4 UID: 0 PID: 522 Comm: binder-util Not tainted 6.19.0-rc6-00015-gc03e9c42ae8f #1 PREEMPT\n Hardware name: linux,dummy-virt (DT)\n Call trace:\n binder_netlink_report.isra.0+0x694/0x6c8\n binder_transaction+0x66e4/0x79b8\n binder_thread_write+0xab4/0x4440\n binder_ioctl+0x1fd4/0x2940\n [...]\n\n Allocated by task 522:\n __kmalloc_cache_noprof+0x17c/0x50c\n binder_transaction+0x584/0x79b8\n binder_thread_write+0xab4/0x4440\n binder_ioctl+0x1fd4/0x2940\n [...]\n\n Freed by task 488:\n kfree+0x1d0/0x420\n binder_free_transaction+0x150/0x234\n binder_thread_read+0x2d08/0x3ce4\n binder_ioctl+0x488/0x2940\n [...]\n ==================================================================\n\nInstead, make a transaction copy so the data can be safely accessed by\nbinder_netlink_report() after a pending frozen error. While here, add a\ncomment about not using t->buffer in binder_netlink_report()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/android/binder.c"], "versions": [{"version": "63740349eba78f242bcbf60d5244d7f2b2600853", "lessThan": "a6050dedb6f1cc23e518e3a132ab74a0aad6df90", "status": "affected", "versionType": "git"}, {"version": "63740349eba78f242bcbf60d5244d7f2b2600853", "lessThan": "5e8a3d01544282e50d887d76f30d1496a0a53562", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/android/binder.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.10", "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": "6.18", "versionEndExcluding": "6.18.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a6050dedb6f1cc23e518e3a132ab74a0aad6df90"}, {"url": "https://git.kernel.org/stable/c/5e8a3d01544282e50d887d76f30d1496a0a53562"}], "title": "binder: fix UAF in binder_netlink_report()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix UAF in binder_netlink_report()\n\nOneway transactions sent to frozen targets via binder_proc_transaction()\nreturn a BR_TRANSACTION_PENDING_FROZEN error but they are still treated\nas successful since the target is expected to thaw at some point. It is\nthen not safe to access 't' after BR_TRANSACTION_PENDING_FROZEN errors\nas the transaction could have been consumed by the now thawed target.\n\nThis is the case for binder_netlink_report() which derreferences 't'\nafter a pending frozen error, as pointed out by the following KASAN\nreport:\n\n ==================================================================\n BUG: KASAN: slab-use-after-free in binder_netlink_report.isra.0+0x694/0x6c8\n Read of size 8 at addr ffff00000f98ba38 by task binder-util/522\n\n CPU: 4 UID: 0 PID: 522 Comm: binder-util Not tainted 6.19.0-rc6-00015-gc03e9c42ae8f #1 PREEMPT\n Hardware name: linux,dummy-virt (DT)\n Call trace:\n binder_netlink_report.isra.0+0x694/0x6c8\n binder_transaction+0x66e4/0x79b8\n binder_thread_write+0xab4/0x4440\n binder_ioctl+0x1fd4/0x2940\n [...]\n\n Allocated by task 522:\n __kmalloc_cache_noprof+0x17c/0x50c\n binder_transaction+0x584/0x79b8\n binder_thread_write+0xab4/0x4440\n binder_ioctl+0x1fd4/0x2940\n [...]\n\n Freed by task 488:\n kfree+0x1d0/0x420\n binder_free_transaction+0x150/0x234\n binder_thread_read+0x2d08/0x3ce4\n binder_ioctl+0x488/0x2940\n [...]\n ==================================================================\n\nInstead, make a transaction copy so the data can be safely accessed by\nbinder_netlink_report() after a pending frozen error. While here, add a\ncomment about not using t->buffer in binder_netlink_report()."}], "id": "CVE-2026-23184", "lastModified": "2026-02-14T17:15:56.167", "metrics": {}, "published": "2026-02-14T17:15:56.167", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5e8a3d01544282e50d887d76f30d1496a0a53562"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6050dedb6f1cc23e518e3a132ab74a0aad6df90"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}