{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-52839", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T15:19:24.253Z", "datePublished": "2024-05-21T15:31:39.196Z", "dateUpdated": "2024-09-11T17:32:54.398Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:18:13.857Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: perf: Do not broadcast to other cpus when starting a counter\n\nThis command:\n\n$ perf record -e cycles:k -e instructions:k -c 10000 -m 64M dd if=/dev/zero of=/dev/null count=1000\n\ngives rise to this kernel warning:\n\n[ 444.364395] WARNING: CPU: 0 PID: 104 at kernel/smp.c:775 smp_call_function_many_cond+0x42c/0x436\n[ 444.364515] Modules linked in:\n[ 444.364657] CPU: 0 PID: 104 Comm: perf-exec Not tainted 6.6.0-rc6-00051-g391df82e8ec3-dirty #73\n[ 444.364771] Hardware name: riscv-virtio,qemu (DT)\n[ 444.364868] epc : smp_call_function_many_cond+0x42c/0x436\n[ 444.364917] ra : on_each_cpu_cond_mask+0x20/0x32\n[ 444.364948] epc : ffffffff8009f9e0 ra : ffffffff8009fa5a sp : ff20000000003800\n[ 444.364966] gp : ffffffff81500aa0 tp : ff60000002b83000 t0 : ff200000000038c0\n[ 444.364982] t1 : ffffffff815021f0 t2 : 000000000000001f s0 : ff200000000038b0\n[ 444.364998] s1 : ff60000002c54d98 a0 : ff60000002a73940 a1 : 0000000000000000\n[ 444.365013] a2 : 0000000000000000 a3 : 0000000000000003 a4 : 0000000000000100\n[ 444.365029] a5 : 0000000000010100 a6 : 0000000000f00000 a7 : 0000000000000000\n[ 444.365044] s2 : 0000000000000000 s3 : ffffffffffffffff s4 : ff60000002c54d98\n[ 444.365060] s5 : ffffffff81539610 s6 : ffffffff80c20c48 s7 : 0000000000000000\n[ 444.365075] s8 : 0000000000000000 s9 : 0000000000000001 s10: 0000000000000001\n[ 444.365090] s11: ffffffff80099394 t3 : 0000000000000003 t4 : 00000000eac0c6e6\n[ 444.365104] t5 : 0000000400000000 t6 : ff60000002e010d0\n[ 444.365120] status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003\n[ 444.365226] [] smp_call_function_many_cond+0x42c/0x436\n[ 444.365295] [] on_each_cpu_cond_mask+0x20/0x32\n[ 444.365311] [] pmu_sbi_ctr_start+0x7a/0xaa\n[ 444.365327] [] riscv_pmu_start+0x48/0x66\n[ 444.365339] [] perf_adjust_freq_unthr_context+0x196/0x1ac\n[ 444.365356] [] perf_event_task_tick+0x78/0x8c\n[ 444.365368] [] scheduler_tick+0xe6/0x25e\n[ 444.365383] [] update_process_times+0x80/0x96\n[ 444.365398] [] tick_sched_handle+0x26/0x52\n[ 444.365410] [] tick_sched_timer+0x50/0x98\n[ 444.365422] [] __hrtimer_run_queues+0x126/0x18a\n[ 444.365433] [] hrtimer_interrupt+0xce/0x1da\n[ 444.365444] [] riscv_timer_interrupt+0x30/0x3a\n[ 444.365457] [] handle_percpu_devid_irq+0x80/0x114\n[ 444.365470] [] generic_handle_domain_irq+0x1c/0x2a\n[ 444.365483] [] riscv_intc_irq+0x2e/0x46\n[ 444.365497] [] handle_riscv_irq+0x4a/0x74\n[ 444.365521] [] do_irq+0x7c/0x7e\n[ 444.365796] ---[ end trace 0000000000000000 ]---\n\nThat's because the fix in commit 3fec323339a4 (\"drivers: perf: Fix panic\nin riscv SBI mmap support\") was wrong since there is no need to broadcast\nto other cpus when starting a counter, that's only needed in mmap when\nthe counters could have already been started on other cpus, so simply\nremove this broadcast." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/perf/riscv_pmu_sbi.c" ], "versions": [ { "version": "3fec323339a4", "lessThan": "85be1a73fd29", "status": "affected", "versionType": "git" }, { "version": "3fec323339a4", "lessThan": "61e3d993c8bd", "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/perf/riscv_pmu_sbi.c" ], "versions": [ { "version": "6.6", "status": "affected" }, { "version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.2", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/85be1a73fd298ed3fd060dfce97caef5f9928c57" }, { "url": "https://git.kernel.org/stable/c/61e3d993c8bd3e80f8f1363ed5e04f88ab531b72" } ], "title": "drivers: perf: Do not broadcast to other cpus when starting a counter", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:35.924Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/85be1a73fd298ed3fd060dfce97caef5f9928c57", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/61e3d993c8bd3e80f8f1363ed5e04f88ab531b72", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-52839", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T15:36:34.430107Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:32:54.398Z" } } ] } }