{
  "cveId": "CVE-2023-53375",
  "url": "https://patchblox.com/security/cve/CVE-2023-53375",
  "summary": "CVE-2023-53375 is fixed in 20 products on 1 platform, first by ALAS2023-2023-169, released April 27, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  tracing: Free error logs of tracing instances  W...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  tracing: Free error logs of tracing instances  When a tracing instance is removed, the error messages that hold errors that occurred in the instance needs to be freed. The following reports a memory leak:   # cd /sys/kernel/tracing  # mkdir instances/foo  # echo \u0027hist:keys=x\u0027 \u003E instances/foo/events/sched/sched_switch/trigger  # cat instances/foo/error_log  [  117.404795] hist:sched:sched_switch: error: Couldn\u0027t find field    Command: hist:keys=x                       ^  # rmdir instances/foo  Then check for memory leaks:   # echo scan \u003E /sys/kernel/debug/kmemleak  # cat /sys/kernel/debug/kmemleak unreferenced object 0xffff88810d8ec700 (size 192):   comm \u0022bash\u0022, pid 869, jiffies 4294950577 (age 215.752s)   hex dump (first 32 bytes):     60 dd 68 61 81 88 ff ff 60 dd 68 61 81 88 ff ff  \u0060.ha....\u0060.ha....     a0 30 8c 83 ff ff ff ff 26 00 0a 00 00 00 00 00  .0......\u0026.......   backtrace:     [\u003C00000000dae26536\u003E] kmalloc_trace\u002B0x2a/0xa0     [\u003C00000000b2938940\u003E] tracing_log_err\u002B0x277/0x2e0     [\u003C000000004a0e1b07\u003E] parse_atom\u002B0x966/0xb40     [\u003C0000000023b24337\u003E] parse_expr\u002B0x5f3/0xdb0     [\u003C00000000594ad074\u003E] event_hist_trigger_parse\u002B0x27f8/0x3560     [\u003C00000000293a9645\u003E] trigger_process_regex\u002B0x135/0x1a0     [\u003C000000005c22b4f2\u003E] event_trigger_write\u002B0x87/0xf0     [\u003C000000002cadc509\u003E] vfs_write\u002B0x162/0x670     [\u003C0000000059c3b9be\u003E] ksys_write\u002B0xca/0x170     [\u003C00000000f1cddc00\u003E] do_syscall_64\u002B0x3e/0xc0     [\u003C00000000868ac68c\u003E] entry_SYSCALL_64_after_hwframe\u002B0x72/0xdc unreferenced object 0xffff888170c35a00 (size 32):   comm \u0022bash\u0022, pid 869, jiffies 4294950577 (age 215.752s)   hex dump (first 32 bytes):     0a 20 20 43 6f 6d 6d 61 6e 64 3a 20 68 69 73 74  .  Command: hist     3a 6b 65 79 73 3d 78 0a 00 00 00 00 00 00 00 00  :keys=x.........   backtrace:     [\u003C000000006a747de5\u003E] __kmalloc\u002B0x4d/0x160     [\u003C000000000039df5f\u003E] tracing_log_err\u002B0x29b/0x2e0     [\u003C000000004a0e1b07\u003E] parse_atom\u002B0x966/0xb40     [\u003C0000000023b24337\u003E] parse_expr\u002B0x5f3/0xdb0     [\u003C00000000594ad074\u003E] event_hist_trigger_parse\u002B0x27f8/0x3560     [\u003C00000000293a9645\u003E] trigger_process_regex\u002B0x135/0x1a0     [\u003C000000005c22b4f2\u003E] event_trigger_write\u002B0x87/0xf0     [\u003C000000002cadc509\u003E] vfs_write\u002B0x162/0x670     [\u003C0000000059c3b9be\u003E] ksys_write\u002B0xca/0x170     [\u003C00000000f1cddc00\u003E] do_syscall_64\u002B0x3e/0xc0     [\u003C00000000868ac68c\u003E] entry_SYSCALL_64_after_hwframe\u002B0x72/0xdc  The problem is that the error log needs to be freed when the instance is removed.",
  "published": "2023-04-27T20:00:00Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.0016,
  "epssPercentile": 0.05157,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bpftool",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bpftool-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo-common-aarch64",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debuginfo-common-x86_64",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-headers",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-libbpf-static",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-livepatch-6.1.25-37.47",
      "release": "amzn 2023",
      "fixedVersion": "1.0-0.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-tools-devel",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.25-1",
      "fix": "DEBIAN-CVE-2023-53375",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53375",
      "released": "2025-09-18T14:15:40Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.25-1",
      "fix": "DEBIAN-CVE-2023-53375",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53375",
      "released": "2025-09-18T14:15:40Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.25-1",
      "fix": "DEBIAN-CVE-2023-53375",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53375",
      "released": "2025-09-18T14:15:40Z"
    },
    {
      "platform": "linux",
      "product": "perf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perf-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-perf",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-perf-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "6.1.25-37.47.amzn2023",
      "fix": "ALAS2023-2023-169",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-169",
      "released": "2023-04-27T20:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}