kernel: Out-of-bounds read in ttm_put_pages in gpu/drm/ttm/ttm_page_alloc.c
Published Dec 31, 2019
6.0
MEDIUMCVSS 3.1
EPSS 0.75%
Description
In the Linux kernel 5.0.0-rc7 (as distributed in ubuntu/linux.git on kernel.ubuntu.com), mounting a crafted f2fs filesystem image and performing some operations can lead to slab-out-of-bounds read access in ttm_put_pages in drivers/gpu/drm/ttm/ttm_page_alloc.c. This is related to the vmwgfx or ttm module.
Affected products
No data.
Configuration 1
- 5.0
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.75% (0.00754) | 53.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.75% (0.00754) | 50.07th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.14% (0.00141) | 31.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00090) | 40.02th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.09% (0.00090) | 38.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00090) | 36.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.01% (0.02008) | 56.41th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.21% (0.06208) | 81.93th | v1 |
| Jan 6, 2022 | 6.21% (0.06208) | 81.75th | v1 |
| Jan 5, 2022 | 1.45% (0.01454) | 72.86th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-19927 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1790044 Issue Tracking
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19927 x_refsource_MISCExploitThird Party Advisory
- https://github.com/torvalds/linux/commit/453393369dc9806d2455151e329c599684762428 x_refsource_MISCPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/a66477b0efe511d98dde3e4aaeb189790e6f0a39 x_refsource_MISCPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/ac1e516d5a4c56bf0cb4a3dfc0672f689131cfd4 x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-19927
- https://security.netapp.com/advisory/ntap-20200204-0002/ x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-19927
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2019-19927 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1790044 | Issue Tracking | |
| https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19927 | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/torvalds/linux/commit/453393369dc9806d2455151e329c599684762428 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/torvalds/linux/commit/a66477b0efe511d98dde3e4aaeb189790e6f0a39 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/torvalds/linux/commit/ac1e516d5a4c56bf0cb4a3dfc0672f689131cfd4 | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-19927 | ||
| https://security.netapp.com/advisory/ntap-20200204-0002/ | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2019-19927 |
Change history (0)
No recorded changes yet.