Medium severity5.5NVD Advisory· Published Mar 21, 2019· Updated Jun 17, 2026
CVE-2019-9857
CVE-2019-9857
Description
In the Linux kernel through 5.0.2, the function inotify_update_existing_watch() in fs/notify/inotify/inotify_user.c neglects to call fsnotify_put_mark() with IN_MASK_CREATE after fsnotify_find_mark(), which will cause a memory leak (aka refcount leak). Finally, this will cause a denial of service.
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Affected products
3- Range: <=5.0.2
Patches
Vulnerability mechanics
References
6- git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git/commit/nvdPatchVendor Advisory
- patchwork.kernel.org/patch/10836283/nvdPatchVendor Advisory
- www.securityfocus.com/bid/107527nvdThird Party AdvisoryVDB Entry
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NXLZ2V2ES37A3J7DMK4MZYIWV2LEZFLM/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PPH3B7FJOMWD5JWUPZKB6T44KNT4PX2L/nvd
- security.netapp.com/advisory/ntap-20190404-0002/nvd
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