{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"2990e937eaff741eda531f4190455ed7f3d5c348","status":"affected","version":"084ea4d611a3d00ee3930400b262240e10895900","versionType":"git"},{"lessThan":"9bcfbd58fc5a02777fed3e582f22503ef3289a43","status":"affected","version":"084ea4d611a3d00ee3930400b262240e10895900","versionType":"git"},{"lessThan":"7aee3e5163cade3f4cf1cc0710dfbadb47f1ba84","status":"affected","version":"084ea4d611a3d00ee3930400b262240e10895900","versionType":"git"},{"lessThan":"d2e317dfd2d1fe416c77315d17c5d57dbe374915","status":"affected","version":"084ea4d611a3d00ee3930400b262240e10895900","versionType":"git"},{"lessThan":"11709abccf93b08adde95ef313c300b0d4bc28f1","status":"affected","version":"084ea4d611a3d00ee3930400b262240e10895900","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.191","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.160","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.114","versionType":"semver"},{"lessThanOrEqual":"6.15.*","status":"unaffected","version":"6.15.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.16","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2025-38359","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/mm: Fix in_atomic() handling in do_secure_storage_access()\n\nKernel user spaces accesses to not exported pages in atomic context\nincorrectly try to resolve the page fault.\nWith debug options enabled call traces like this can be seen:\n\nBUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1523\nin_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 419074, name: qemu-system-s39\npreempt_count: 1, expected: 0\nRCU nest depth: 0, expected: 0\nINFO: lockdep is turned off.\nPreemption disabled at:\n[<00000383ea47cfa2>] copy_page_from_iter_atomic+0xa2/0x8a0\nCPU: 12 UID: 0 PID: 419074 Comm: qemu-system-s39\nTainted: G        W           6.16.0-20250531.rc0.git0.69b3a602feac.63.fc42.s390x+debug #1 PREEMPT\nTainted: [W]=WARN\nHardware name: IBM 3931 A01 703 (LPAR)\nCall Trace:\n [<00000383e990d282>] dump_stack_lvl+0xa2/0xe8\n [<00000383e99bf152>] __might_resched+0x292/0x2d0\n [<00000383eaa7c374>] down_read+0x34/0x2d0\n [<00000383e99432f8>] do_secure_storage_access+0x108/0x360\n [<00000383eaa724b0>] __do_pgm_check+0x130/0x220\n [<00000383eaa842e4>] pgm_check_handler+0x114/0x160\n [<00000383ea47d028>] copy_page_from_iter_atomic+0x128/0x8a0\n([<00000383ea47d016>] copy_page_from_iter_atomic+0x116/0x8a0)\n [<00000383e9c45eae>] generic_perform_write+0x16e/0x310\n [<00000383e9eb87f4>] ext4_buffered_write_iter+0x84/0x160\n [<00000383e9da0de4>] vfs_write+0x1c4/0x460\n [<00000383e9da123c>] ksys_write+0x7c/0x100\n [<00000383eaa7284e>] __do_syscall+0x15e/0x280\n [<00000383eaa8417e>] system_call+0x6e/0x90\nINFO: lockdep is turned off.\n\nIt is not allowed to take the mmap_lock while in atomic context. Therefore\nhandle such a secure storage access fault as if the accessed page is not\nmapped: the uaccess function will return -EFAULT, and the caller has to\ndeal with this. Usually this means that the access is retried in process\ncontext, which allows to resolve the page fault (or in this case export the\npage).","epss":{"date":"2026-11-05","percentile":0.06521,"score":0.00171},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793912555322,"publishedAt":1753447650441,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2990e937eaff741eda531f4190455ed7f3d5c348"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/9bcfbd58fc5a02777fed3e582f22503ef3289a43"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7aee3e5163cade3f4cf1cc0710dfbadb47f1ba84"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/d2e317dfd2d1fe416c77315d17c5d57dbe374915"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/11709abccf93b08adde95ef313c300b0d4bc28f1"}],"remediation":[],"revision":"f154d077941440cbaad633f07a62fc2b7a928162954fb148a1545dbd1c373163","sources":[{"modifiedAt":1793912555322,"name":"CNA: Linux","retrievedAt":1793913674882,"url":"https://www.cve.org/CVERecord?id=CVE-2025-38359"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793913706664,"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-38359"}],"ssvc":{"assessedAt":1793912126378,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"s390/mm: Fix in_atomic() handling in do_secure_storage_access()","updatedAt":1793913706664}