CVE-2023-53859 in Linux
Riassunto
di VulDB • 22/06/2026
Nel kernel Linux, è stata risolta la seguente vulnerabilità:
s390/idle: contrassegnare arch_cpu_idle() come noinstr
Il commit di linux-next ("cpuidle: tracing: Warn about !rcu_is_watching()") aggiunge un nuovo avviso che si attiva nella funzione arch_cpu_idle() di s390:
RCU not on: arch_cpu_idle+0x0/0x28 WARNING: CPU: 2 PID: 0 at include/linux/trace_recursion.h:162 arch_ftrace_ops_list_func+0x24c/0x258 Moduli caricati: CPU: 2 PID: 0 Comm: swapper/2 Non modificato 6.2.0-rc6-next-20230202 #4 Nome hardware: IBM 8561 T01 703 (z/VM 7.3.0) Krnl PSW : 0404d00180000000 00000000002b55c0 (arch_ftrace_ops_list_func+0x250/0x258) R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 Krnl GPRS: c0000000ffffbfff 0000000080000002 0000000000000026 0000000000000000 0000037ffffe3a28 0000037ffffe3a20 0000000000000000 0000000000000000 0000000000000000 0000000000f4acf6 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 Krnl Code: 00000000002b55b4: a7f4ffe7 brc 15,00000000002b558e 00000000002b55c0: a7f4ffe7 brc 15,00000000002b558e 00000000002b55c4: 0707 bcr 0,%r7 00000000002b55c6: 0707 bcr 0,%r7
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.