{"id":"CVE-2026-53361","title":"In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Set gc_in_progress to true in unix_gc().\n\nIgor Ushakov reported that unix_gc() could run with gc_in_progress\nbeing false if the work is scheduled while running…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Set gc_in_progress to true in unix_gc().\n\nIgor Ushakov reported that unix_gc() could run with gc_in_progress\nbeing false if the work is scheduled while running…","severity":"high","published":"2026-07-04","updated":"2026-07-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53361","references":[{"url":"https://git.kernel.org/stable/c/0cfa78c050662784fc8e3ab26dbfd1dc632b2082","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/591f1ac217428a6d2b32a8ac14aac0fab44f155a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/82c17e13d404f686e164590483fd6c1abaa675d0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d82ba05263c69fa2437fe93e4e561cc40f4c03af","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53361.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-53361"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2497035"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53361"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53361"},{"url":"https://lore.kernel.org/linux-cve-announce/2026070436-CVE-2026-53361-f969@gregkh/T"},{"url":"https://access.redhat.com/errata/RHSA-2026:62609"},{"url":"https://access.redhat.com/errata/RHSA-2026:67471"}],"tags":["nvd","exploit-available","csaf","vex","red-hat"],"ingestedAt":"2026-07-04T21:57:46.995Z","epss":0.00232,"epssPercentile":0.14267,"exploits":{"github":1,"githubRepos":["https://github.com/sgkdev/bad_garbage"],"checkedAt":"2026-09-21T15:29:26.606Z"},"exploitAvailable":true,"vendor":"Red Hat","product":"Red Hat Enterprise Linux BaseOS (v. 10)","affected":["enterprise_linux_appstream_eus_v_10_0","enterprise_linux_appstream_v_10","enterprise_linux_baseos_eus_v_10_0","enterprise_linux_baseos_v_10","enterprise_linux_codeready_linux_builder_eus_v_10_0","enterprise_linux_codeready_linux_builder_v_10","enterprise_linux_real_time_for_nfv_eus_v_10_0","enterprise_linux_real_time_for_nfv_v_10","enterprise_linux_real_time_eus_v_10_0","enterprise_linux_real_time_v_10"],"patched":["enterprise_linux_appstream_eus_v_10_0","enterprise_linux_appstream_v_10","enterprise_linux_baseos_eus_v_10_0","enterprise_linux_baseos_v_10","enterprise_linux_codeready_linux_builder_eus_v_10_0","enterprise_linux_codeready_linux_builder_v_10","enterprise_linux_real_time_for_nfv_eus_v_10_0","enterprise_linux_real_time_for_nfv_v_10","enterprise_linux_real_time_eus_v_10_0","enterprise_linux_real_time_v_10"],"cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"vendor","cwe":["CWE-366"],"slug":"CVE-2026-53361","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Set gc_in_progress to true in unix_gc().\n\nIgor Ushakov reported that unix_gc() could run with gc_in_progress\nbeing false if the work is scheduled while running:\n\n  Thread 1         Thread 2                     Thread 3\n  --------         --------                     --------\n                   unix_schedule_gc()           unix_schedule_gc()\n                   `- if (!gc_in_progress)      `- if (!gc_in_progress)\n                      |- gc_in_progress = true     |\n                      `- queue_work()              |\n  unix_gc() <----------------/                     |\n  |                                                |- gc_in_progress = true\n  ...                                              `- queue_work()\n  |                                                       |\n  `- gc_in_progress = false                               |\n                                                          |\n  unix_gc() <---------------------------------------------'\n  |\n  ... /* gc_in_progress == false */\n  |\n  `- gc_in_progress = false\n\nunix_peek_fpl() relies on gc_in_progress not to confuse GC\nby MSG_PEEK.\n\nLet's set gc_in_progress to true in unix_gc().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:62609** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux BaseOS EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0), Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0), Red Hat Enterprise Linux Real Time EUS (v. 10.0) · released 2026-09-02 · [advisory](https://access.redhat.com/errata/RHSA-2026:62609)\n- **RHSA-2026:67471** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10), Red Hat Enterprise Linux Real Time for NFV (v. 10), Red Hat Enterprise Linux Real Time (v. 10) · released 2026-09-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:67471)","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":203902,"id":"CVE-2026-53361","ts":1789490217981,"field":"cvss","old":null,"new":"7.8"},{"seq":203901,"id":"CVE-2026-53361","ts":1789490217981,"field":"severity","old":"none","new":"high"},{"seq":5318,"id":"CVE-2026-53361","ts":1788887265617,"field":"exploit_available","old":"false","new":"true"},{"seq":4201,"id":"CVE-2026-53361","ts":1788886380148,"field":"exploit_available","old":"true","new":"false"},{"seq":2962,"id":"CVE-2026-53361","ts":1788883045188,"field":"exploit_available","old":"false","new":"true"},{"seq":1991,"id":"CVE-2026-53361","ts":1788882449393,"field":"exploit_available","old":"true","new":"false"},{"seq":1069,"id":"CVE-2026-53361","ts":1788881885489,"field":"exploit_available","old":"false","new":"true"}]}