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CVE-2019-11833fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow…
- 5.5MediumCVSS base score
- 0.65%Exploitation in 30 daysEPSS · top 48% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem.
Timeline
ID reserved
By mitre
- 6 days later
· 6 days later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.65% · top 48% of all CVEs (14 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
n/a
- affected n/a
References
References22
- https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64 (opens in a new tab)x_refsource_MISCx_transferred
- 108372 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- openSUSE-SU-2019:1479 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2019-48b34fc991 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- DSA-4465 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20190617 [SECURITY] [DLA 1823-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20190618 [SECURITY] [DLA 1824-1] linux-4.9 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2019:1570 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20190618 [SECURITY] [DSA 4465-1] linux security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- openSUSE-SU-2019:1579 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-4068-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4068-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4069-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4076-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4069-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2019:2043 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:2029 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-4095-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4118-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2019:3309 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:3517 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-3496 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-11833)Record last updated .