| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Do not let histogram values have some modifiers\n\nHistogram values can not be strings, stacktraces, graphs, symbols,\nsyscalls, or grouped in buckets or log. Give an error if a value is set to\ndo so.\n\nNote, the histogram code was not prepared to handle these modifiers for\nhistograms and caused a bug.\n\nMark Rutland reported:\n\n # echo 'p:copy_to_user __arch_copy_to_user n=$arg2' >> /sys/kernel/tracing/kprobe_events\n # echo 'hist:keys=n:vals=hitcount.buckets=8:sort=hitcount' > /sys/kernel/tracing/events/kprobes/copy_to_user/trigger\n # cat /sys/kernel/tracing/events/kprobes/copy_to_user/hist\n[ 143.694628] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[ 143.695190] Mem abort info:\n[ 143.695362] ESR = 0x0000000096000004\n[ 143.695604] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 143.695889] SET = 0, FnV = 0\n[ 143.696077] EA = 0, S1PTW = 0\n[ 143.696302] FSC = 0x04: level 0 translation fault\n[ 143.702381] Data abort info:\n[ 143.702614] ISV = 0, ISS = 0x00000004\n[ 143.702832] CM = 0, WnR = 0\n[ 143.703087] user pgtable: 4k pages, 48-bit VAs, pgdp=00000000448f9000\n[ 143.703407] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\n[ 143.704137] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n[ 143.704714] Modules linked in:\n[ 143.705273] CPU: 0 PID: 133 Comm: cat Not tainted 6.2.0-00003-g6fc512c10a7c #3\n[ 143.706138] Hardware name: linux,dummy-virt (DT)\n[ 143.706723] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 143.707120] pc : hist_field_name.part.0+0x14/0x140\n[ 143.707504] lr : hist_field_name.part.0+0x104/0x140\n[ 143.707774] sp : ffff800008333a30\n[ 143.707952] x29: ffff800008333a30 x28: 0000000000000001 x27: 0000000000400cc0\n[ 143.708429] x26: ffffd7a653b20260 x25: 0000000000000000 x24: ffff10d303ee5800\n[ 143.708776] x23: ffffd7a6539b27b0 x22: ffff10d303fb8c00 x21: 0000000000000001\n[ 143.709127] x20: ffff10d303ec2000 x19: 0000000000000000 x18: 0000000000000000\n[ 143.709478] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\n[ 143.709824] x14: 0000000000000000 x13: 203a6f666e692072 x12: 6567676972742023\n[ 143.710179] x11: 0a230a6d6172676f x10: 000000000000002c x9 : ffffd7a6521e018c\n[ 143.710584] x8 : 000000000000002c x7 : 7f7f7f7f7f7f7f7f x6 : 000000000000002c\n[ 143.710915] x5 : ffff10d303b0103e x4 : ffffd7a653b20261 x3 : 000000000000003d\n[ 143.711239] x2 : 0000000000020001 x1 : 0000000000000001 x0 : 0000000000000000\n[ 143.711746] Call trace:\n[ 143.712115] hist_field_name.part.0+0x14/0x140\n[ 143.712642] hist_field_name.part.0+0x104/0x140\n[ 143.712925] hist_field_print+0x28/0x140\n[ 143.713125] event_hist_trigger_print+0x174/0x4d0\n[ 143.713348] hist_show+0xf8/0x980\n[ 143.713521] seq_read_iter+0x1bc/0x4b0\n[ 143.713711] seq_read+0x8c/0xc4\n[ 143.713876] vfs_read+0xc8/0x2a4\n[ 143.714043] ksys_read+0x70/0xfc\n[ 143.714218] __arm64_sys_read+0x24/0x30\n[ 143.714400] invoke_syscall+0x50/0x120\n[ 143.714587] el0_svc_common.constprop.0+0x4c/0x100\n[ 143.714807] do_el0_svc+0x44/0xd0\n[ 143.714970] el0_svc+0x2c/0x84\n[ 143.715134] el0t_64_sync_handler+0xbc/0x140\n[ 143.715334] el0t_64_sync+0x190/0x194\n[ 143.715742] Code: a9bd7bfd 910003fd a90153f3 aa0003f3 (f9400000)\n[ 143.716510] ---[ end trace 0000000000000000 ]---\nSegmentation fault" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/trace/trace_events_hist.c" |
| ], |
| "versions": [ |
| { |
| "version": "c6afad49d127f6d7c9957319f55173a2198b1ba8", |
| "lessThan": "39cd75f2f3a43c0e2f95749eb6dd6420c553f87d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c6afad49d127f6d7c9957319f55173a2198b1ba8", |
| "lessThan": "2fc0ee435c9264cdb7c5e872f76cd9bb97640227", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c6afad49d127f6d7c9957319f55173a2198b1ba8", |
| "lessThan": "e0213434fe3e4a0d118923dc98d31e7ff1cd9e45", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "kernel/trace/trace_events_hist.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.7", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "4.7", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.23", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.2.8", |
| "lessThanOrEqual": "6.2.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.3", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.7", |
| "versionEndExcluding": "6.1.23" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.7", |
| "versionEndExcluding": "6.2.8" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.7", |
| "versionEndExcluding": "6.3" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/39cd75f2f3a43c0e2f95749eb6dd6420c553f87d" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2fc0ee435c9264cdb7c5e872f76cd9bb97640227" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e0213434fe3e4a0d118923dc98d31e7ff1cd9e45" |
| } |
| ], |
| "title": "tracing: Do not let histogram values have some modifiers", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2023-53093", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
