{"schema_version":"1.7.2","id":"OESA-2025-1962","modified":"2025-08-13T07:23:00Z","published":"2025-08-08T11:15:56Z","upstream":["CVE-2025-38424"],"summary":"kernel security update","details":"The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nperf: Fix sample vs do_exit()\n\nBaisheng Gao reported an ARM64 crash, which Mark decoded as being a\nsynchronous external abort -- most likely due to trying to access\nMMIO in bad ways.\n\nThe crash further shows perf trying to do a user stack sample while in\nexit_mmap()'s tlb_finish_mmu() -- i.e. while tearing down the address\nspace it is trying to access.\n\nIt turns out that we stop perf after we tear down the userspace mm; a\nreceipie for disaster, since perf likes to access userspace for\nvarious reasons.\n\nFlip this order by moving up where we stop perf in do_exit().\n\nAdditionally, harden PERF_SAMPLE_CALLCHAIN and PERF_SAMPLE_STACK_USER\nto abort when the current task does not have an mm (exit_mm() makes\nsure to set current->mm = NULL; before commencing with the actual\nteardown). Such that CPU wide events don't trip on this same problem.(CVE-2025-38424)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP4","name":"kernel","purl":"pkg:rpm/openEuler/kernel&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.19.90-2507.5.0.0338.oe2003sp4"}]}],"ecosystem_specific":{"aarch64":["bpftool-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","bpftool-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","kernel-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","kernel-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","kernel-debugsource-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","kernel-devel-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","kernel-source-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","kernel-tools-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","kernel-tools-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","kernel-tools-devel-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","perf-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","perf-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","python2-perf-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","python2-perf-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","python3-perf-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm","python3-perf-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.aarch64.rpm"],"src":["kernel-4.19.90-2507.5.0.0338.oe2003sp4.src.rpm"],"x86_64":["bpftool-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","bpftool-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","kernel-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","kernel-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","kernel-debugsource-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","kernel-devel-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","kernel-source-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","kernel-tools-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","kernel-tools-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","kernel-tools-devel-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","perf-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","perf-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","python2-perf-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","python2-perf-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","python3-perf-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm","python3-perf-debuginfo-4.19.90-2507.5.0.0338.oe2003sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1962"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38424"}],"database_specific":{"severity":"High"}}