{"schema_version":"1.9.0","id":"CVE-2025-38696","published":"2025-09-04T15:32:48.973Z","modified":"2026-08-12T03:51:26.295906886Z","summary":"MIPS: Don't crash in stack_top() for tasks without ABI or vDSO","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nMIPS: Don't crash in stack_top() for tasks without ABI or vDSO\n\nNot all tasks have an ABI associated or vDSO mapped,\nfor example kthreads never do.\nIf such a task ever ends up calling stack_top(), it will derefence the\nNULL ABI pointer and crash.\n\nThis can for example happen when using kunit:\n\n    mips_stack_top+0x28/0xc0\n    arch_pick_mmap_layout+0x190/0x220\n    kunit_vm_mmap_init+0xf8/0x138\n    __kunit_add_resource+0x40/0xa8\n    kunit_vm_mmap+0x88/0xd8\n    usercopy_test_init+0xb8/0x240\n    kunit_try_run_case+0x5c/0x1a8\n    kunit_generic_run_threadfn_adapter+0x28/0x50\n    kthread+0x118/0x240\n    ret_from_kernel_thread+0x14/0x1c\n\nOnly dereference the ABI point if it is set.\n\nThe GIC page is also included as it is specific to the vDSO.\nAlso move the randomization adjustment into the same conditional.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ea7e0480a4b695d0aa6b3fa99bd658a003122113"},{"fixed":"ab18e48a503230d675e824a0d68a108bdff42503"},{"fixed":"e78033e59444d257d095b73ce5d20625294f6ec2"},{"fixed":"bd90dbd196831f5c2620736dc221db2634cf1e8e"},{"fixed":"5b6839b572b503609b9b58bc6c04a816eefa0794"},{"fixed":"f22de2027b206ddfb8a075800bb5d0dacf2da4b8"},{"fixed":"82d140f6aab5e89a9d3972697a0dbe1498752d9b"},{"fixed":"24d098b6f69b0aa806ffcb3e18259bee31650b28"},{"fixed":"cddf47d20b0325dc8a4e57b833fe96e8f36c42a4"},{"fixed":"e9f4a6b3421e936c3ee9d74710243897d74dbaa2"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"86717a97f9218de798c6d33e0014ab9325e18f56"},{"last_affected":"e4882348eaa9f5f052cb21d2a5aa99a063e4308b"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.14.77"},{"fixed":"4.15"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.18.15"},{"fixed":"4.19"}]}],"versions":["v4.18.14","v4.14.76","v4.18.13","v4.14.75","v4.18.12","v4.14.74","v4.14.73","v4.18.11","v4.14.72","v4.18.10","v4.18.9","v4.14.71","v4.14.70","v4.18.8","v4.18.7","v4.14.69","v4.14.68","v4.18.6","v4.18.5","v4.14.67","v4.14.66","v4.18.4","v4.18","v4.14.65","v4.18.3","v4.18.2","v4.14.64","v4.18.1","v4.14.63","v4.18-rc1","v4.14.62","v4.18-rc8","v4.18-rc2","v4.18-rc5","v4.14.61","v4.18-rc6","v4.14.60","v4.18-rc7","v4.14.59","v4.17","v4.14.58","v4.18-rc3","v4.14.57","v4.14.56","v4.18-rc4","v4.14.55","v4.14.54","v4.14.53","v4.14.52","v4.14.51","v4.14.50","v4.14.49","v4.14.48","v4.17-rc1","v4.14.47","v4.17-rc2","v4.17-rc7","v4.17-rc3","v4.17-rc4","v4.16","v4.14.46","v4.14.45","v4.17-rc6","v4.14.44","v4.17-rc5","v4.14.43","v4.14.42","v4.14.41","v4.14.40","v4.14.39","v4.14.38","v4.14.37","v4.14.36","v4.14.35","v4.14.34","v4.14.33","v4.16-rc7","v4.16-rc4","v4.14.32","v4.16-rc1","v4.16-rc2","v4.16-rc5","v4.14.31","v4.14.30","v4.16-rc3","v4.16-rc6","v4.14.29","v4.14.28","v4.14.27","v4.14.26","v4.14.25","v4.14.24","v4.14","v4.14.23","v4.15","v4.14.22","v4.14.21","v4.14.20","v4.14.19","v4.14.18","v4.14.17","v4.15-rc1","v4.14.16","v4.15-rc4","v4.14.15","v4.15-rc9","v4.14.14","v4.15-rc8","v4.15-rc7","v4.14.13","v4.15-rc3","v4.15-rc2","v4.15-rc5","v4.15-rc6","v4.14.12","v4.14.11","v4.14.10","v4.14.9","v4.14.8","v4.14.7","v4.14.6","v4.14.5","v4.14.4","v4.14.3","v4.14.2","v4.14-rc1","v4.14.1","v4.14-rc7","v4.14-rc3","v4.13","v4.14-rc8","v4.14-rc4","v4.14-rc6","v4.14-rc2","v4.14-rc5","v4.13-rc2","v4.13-rc1","v4.13-rc3","v4.13-rc7","v4.13-rc4","v4.13-rc5","v4.13-rc6","v4.12-rc1","v4.12","v4.12-rc5","v4.12-rc7","v4.12-rc6","v4.12-rc4","v4.12-rc2","v4.12-rc3","v4.11","v4.11-rc1","v4.11-rc6","v4.11-rc8","v4.11-rc7","v4.11-rc3","v4.11-rc5","v4.11-rc2","v4.11-rc4","v4.10","v4.9","v4.10-rc8","v4.10-rc3","v4.10-rc1","v4.10-rc7","v4.10-rc6","v4.10-rc2","v4.10-rc5","v4.10-rc4","v4.9-rc7","v4.9-rc6","v4.9-rc8","v4.9-rc1","v4.9-rc5","v4.9-rc3","v4.9-rc4","v4.9-rc2","v4.8","v4.8-rc8","v4.8-rc2","v4.8-rc1","v4.8-rc7","v4.8-rc6","v4.8-rc5","v4.8-rc4","v4.8-rc3","v4.7","v4.7-rc4","v4.7-rc2","v4.7-rc1","v4.7-rc7","v4.7-rc6","v4.7-rc3","v4.7-rc5","v4.6","v4.6-rc1","v4.6-rc6","v4.6-rc4","v4.6-rc7","v4.6-rc5","v4.5-rc4","v4.6-rc2","v4.6-rc3","v4.5","v4.4","v4.5-rc1","v4.5-rc6","v4.5-rc2","v4.5-rc7","v4.5-rc5","v4.5-rc3","v4.4-rc1","v4.4-rc2","v4.4-rc8","v4.4-rc3","v4.4-rc7","v4.4-rc5","v4.4-rc6","v4.4-rc4","v4.3","v4.3-rc1","v4.3-rc6","v4.3-rc4","v4.3-rc2","v4.3-rc7","v4.3-rc5","v4.3-rc3","v4.2","v4.2-rc2","v4.2-rc1","v4.2-rc8","v4.2-rc4","v4.2-rc6","v4.2-rc7","v4.0-rc5","v4.2-rc5","v4.2-rc3","v4.1-rc2","v4.1","v4.1-rc1","v4.1-rc8","v4.1-rc7","v4.1-rc6","v4.1-rc3","v4.1-rc4","v4.0","v4.1-rc5","v4.0-rc1","v4.0-rc2","v4.0-rc7","v4.0-rc3","v4.0-rc6","v4.0-rc4","v3.19","v3.19-rc7","v3.19-rc5","v3.19-rc1","v3.19-rc6","v3.19-rc4","v3.18-rc1","v3.19-rc3","v3.19-rc2","v3.18","v3.18-rc7","v3.18-rc6","v3.18-rc2","v3.18-rc3","v3.18-rc4","v3.18-rc5","v3.17","v3.17-rc1","v3.17-rc7","v3.17-rc2","v3.17-rc4","v3.16","v3.17-rc5","v3.17-rc6","v3.17-rc3","v3.16-rc7","v3.16-rc1","v3.16-rc3","v3.16-rc5","v3.16-rc6","v3.16-rc2","v3.16-rc4","v3.13","v3.15","v3.15-rc5","v3.15-rc8","v3.15-rc1","v3.15-rc6","v3.15-rc3","v3.15-rc7","v3.15-rc2","v3.15-rc4","v3.14","v3.14-rc4","v3.14-rc8","v3.14-rc7","v3.14-rc6","v3.14-rc1","v3.14-rc2","v3.14-rc5","v3.14-rc3","v3.13-rc6","v3.13-rc8","v3.12","v3.13-rc7","v3.13-rc1","v3.13-rc4","v3.13-rc3","v3.13-rc5","v3.13-rc2","v3.12-rc7","v3.12-rc3","v3.12-rc6","v3.12-rc1","v3.12-rc5","v3.11","v3.12-rc2","v3.12-rc4","v3.11-rc7","v3.11-rc2","v3.11-rc5","v3.11-rc1","v3.11-rc3","v3.11-rc4","v3.11-rc6","v3.10-rc2","v3.10","v3.10-rc7","v3.10-rc6","v3.10-rc1","v3.10-rc5","v3.10-rc3","v3.10-rc4","v3.9","v3.9-rc2","v3.9-rc7","v3.9-rc8","v3.9-rc3","v3.9-rc6","v3.9-rc5","v3.9-rc4","v3.9-rc1","v3.8","v3.8-rc7","v3.8-rc6","v3.8-rc5","v3.8-rc2","v3.8-rc1","v3.8-rc3","v3.8-rc4","v3.7","v3.7-rc1","v3.6","v3.7-rc6","v3.7-rc7","v3.7-rc3","v3.7-rc8","v3.7-rc2","v3.7-rc4","v3.7-rc5","v3.6-rc7","v3.6-rc1","v3.5-rc3","v3.6-rc6","v3.6-rc5","v3.5","v3.6-rc3","v3.6-rc4","v3.6-rc2","v3.4-rc4","v3.5-rc7","v3.5-rc5","v3.5-rc6","v3.5-rc2","v3.5-rc1","v3.5-rc4","v3.4","v3.4-rc2","v3.4-rc1","v3.4-rc7","v3.4-rc6","v3.4-rc3","v3.4-rc5","v3.3","v3.3-rc6","v3.3-rc3","v3.3-rc7","v3.3-rc2","v3.3-rc5","v3.2","v3.3-rc4","v3.3-rc1","v3.2-rc4","v3.2-rc7","v3.2-rc6","v3.2-rc5","v3.2-rc3","v3.1","v3.2-rc2","v3.2-rc1","v3.1-rc1","v3.1-rc9","v3.1-rc8","v3.1-rc10","v3.1-rc7","v3.1-rc3","v3.1-rc2","v3.1-rc4","v3.1-rc5","v3.0","v3.1-rc6","v3.0-rc7","v3.0-rc4","v3.0-rc6","v3.0-rc5","v3.0-rc3","v3.0-rc1","v2.6.39","v3.0-rc2","v2.6.38","v2.6.39-rc2","v2.6.39-rc7","v2.6.39-rc5","v2.6.39-rc1","v2.6.38-rc7","v2.6.39-rc6","v2.6.39-rc4","v2.6.39-rc3","v2.6.37","v2.6.38-rc1","v2.6.38-rc8","v2.6.38-rc2","v2.6.38-rc6","v2.6.38-rc5","v2.6.38-rc4","v2.6.38-rc3","v2.6.37-rc4","v2.6.37-rc2","v2.6.36","v2.6.37-rc5","v2.6.37-rc8","v2.6.37-rc7","v2.6.37-rc6","v2.6.37-rc1","v2.6.37-rc3","v2.6.36-rc6","v2.6.35-rc4","v2.6.36-rc8","v2.6.35","v2.6.36-rc7","v2.6.36-rc3","v2.6.36-rc5","v2.6.36-rc4","v2.6.36-rc2","v2.6.36-rc1","v2.6.35-rc5","v2.6.35-rc6","v2.6.34","v2.6.35-rc3","v2.6.35-rc1","v2.6.35-rc2","v2.6.34-rc7","v2.6.34-rc6","v2.6.34-rc5","v2.6.34-rc4","v2.6.34-rc3","v2.6.34-rc2","v2.6.34-rc1","v2.6.33","v2.6.33-rc6","v2.6.33-rc8","v2.6.33-rc4","v2.6.33-rc5","v2.6.33-rc3","v2.6.33-rc7","v2.6.33-rc2","v2.6.32","v2.6.33-rc1","v2.6.32-rc8","v2.6.32-rc7","v2.6.32-rc6","v2.6.31","v2.6.32-rc5","v2.6.32-rc4","v2.6.32-rc2","v2.6.32-rc1","v2.6.32-rc3","v2.6.31-rc9","v2.6.31-rc1","v2.6.31-rc7","v2.6.31-rc8","v2.6.31-rc6","v2.6.30-rc6","v2.6.30","v2.6.31-rc4","v2.6.31-rc5","v2.6.31-rc3","v2.6.31-rc2","v2.6.30-rc7","v2.6.30-rc8","v2.6.30-rc5","v2.6.30-rc3","v2.6.30-rc4","v2.6.30-rc1","v2.6.30-rc2","v2.6.29","v2.6.29-rc8","v2.6.29-rc7","v2.6.29-rc5","v2.6.29-rc1","v2.6.29-rc6","v2.6.29-rc4","v2.6.29-rc3","v2.6.29-rc2","v2.6.28","v2.6.28-rc7","v2.6.28-rc9","v2.6.28-rc8","v2.6.28-rc6","v2.6.28-rc5","v2.6.28-rc4","v2.6.28-rc2","v2.6.28-rc3","v2.6.28-rc1","v2.6.27","v2.6.27-rc7","v2.6.27-rc9","v2.6.27-rc8","v2.6.27-rc5","v2.6.27-rc6","v2.6.27-rc4","v2.6.27-rc1","v2.6.27-rc3","v2.6.27-rc2","v2.6.26","v2.6.26-rc9","v2.6.26-rc8","v2.6.26-rc3","v2.6.26-rc7","v2.6.26-rc6","v2.6.26-rc5","v2.6.26-rc4","v2.6.26-rc2","v2.6.26-rc1","v2.6.25","v2.6.25-rc7","v2.6.25-rc9","v2.6.25-rc8","v2.6.25-rc6","v2.6.25-rc5","v2.6.25-rc3","v2.6.25-rc4","v2.6.24","v2.6.25-rc2","v2.6.25-rc1","v2.6.24-rc8","v2.6.24-rc7","v2.6.24-rc6","v2.6.24-rc5","v2.6.24-rc4","v2.6.24-rc3","v2.6.24-rc2","v2.6.24-rc1","v2.6.23","v2.6.23-rc9","v2.6.23-rc8","v2.6.23-rc5","v2.6.23-rc7","v2.6.23-rc6","v2.6.23-rc4","v2.6.23-rc3","v2.6.23-rc2","v2.6.23-rc1","v2.6.22","v2.6.22-rc7","v2.6.22-rc6","v2.6.22-rc5","v2.6.22-rc4","v2.6.22-rc3","v2.6.22-rc2","v2.6.22-rc1","v2.6.21","v2.6.21-rc7","v2.6.21-rc6","v2.6.21-rc5","v2.6.21-rc4","v2.6.21-rc3","v2.6.21-rc2","v2.6.21-rc1","v2.6.20-rc7","v2.6.20-rc6","v2.6.20-rc5","v2.6.20-rc4","v2.6.20-rc3","v2.6.20-rc1","v2.6.20-rc2","v2.6.19-rc2","v2.6.18","v2.6.19-rc1","v2.6.18-rc6","v2.6.18-rc5","v2.6.18-rc3","v2.6.18-rc2","v2.6.18-rc1","v2.6.17","v2.6.17-rc4","v2.6.17-rc6","v2.6.17-rc5","v2.6.17-rc3","v2.6.17-rc2","v2.6.17-rc1","v2.6.16","v2.6.16-rc6","v2.6.16-rc4","v2.6.16-rc5","v2.6.16-rc3","v2.6.16-rc2","v2.6.16-rc1","v2.6.15-rc7","v2.6.15-rc5","v2.6.15-rc4","v2.6.15-rc2","v2.6.15-rc1","v2.6.14-rc3","v2.6.14-rc2","v2.6.14-rc1","v2.6.13","v2.6.13-rc7","v2.6.13-rc6","v2.6.13-rc5","v2.6.13-rc3","v2.6.13-rc4","v2.6.13-rc2","v2.6.13-rc1","v2.6.12-rc4","v2.6.12-rc3","v2.6.12-rc2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38696.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.19.0"},{"fixed":"5.4.297"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.241"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.190"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.149"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.43"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.15.11"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.16.0"},{"fixed":"6.16.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38696.json"}}],"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"},{"type":"WEB","url":"https://git.kernel.org/stable/c/24d098b6f69b0aa806ffcb3e18259bee31650b28"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5b6839b572b503609b9b58bc6c04a816eefa0794"},{"type":"WEB","url":"https://git.kernel.org/stable/c/82d140f6aab5e89a9d3972697a0dbe1498752d9b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab18e48a503230d675e824a0d68a108bdff42503"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bd90dbd196831f5c2620736dc221db2634cf1e8e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cddf47d20b0325dc8a4e57b833fe96e8f36c42a4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e78033e59444d257d095b73ce5d20625294f6ec2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e9f4a6b3421e936c3ee9d74710243897d74dbaa2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f22de2027b206ddfb8a075800bb5d0dacf2da4b8"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38696.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38696"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38696.json"}}