kernel: memory corruption in sunction tcm_loop_make_naa_tpg() in drivers/target/loopback/tcm_loop.c
Published Jul 27, 2019
9.8
CRITICALCVSS 3.1
EPSS 3.72%
Description
In the Linux kernel before 3.1, an off by one in the drivers/target/loopback/tcm_loop.c tcm_loop_make_naa_tpg() function could result in at least memory corruption.
Affected products
No data.
- ≥ 2.6.39 · < 3.1
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not 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 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not 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
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:P/I:P/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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.72% (0.03723) | 89.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.68% (0.03676) | 88.20th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.66% (0.00663) | 68.80th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.92% (0.01924) | 72.39th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.66% (0.00663) | 69.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.62% (0.00616) | 79.47th | v3 (v2023.03.01) |
| Jul 20, 2024 | 0.62% (0.00616) | 78.98th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.50% (0.00498) | 75.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.50% (0.00498) | 72.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (9)
- https://access.redhat.com/security/cve/CVE-2011-5327 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1735624 Issue Tracking
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12f09ccb4612734a53e47ed5302e0479c10a50f8 x_refsource_MISCPatchVendor Advisory
- https://github.com/torvalds/linux/commit/12f09ccb4612734a53e47ed5302e0479c10a50f8 x_refsource_MISCPatchThird Party Advisory
- https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 x_refsource_MISCRelease NotesVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-5327
- https://support.f5.com/csp/article/K42315210 x_refsource_CONFIRMThird Party Advisory
- https://support.f5.com/csp/article/K42315210?utm_source=f5support&%3Butm_medium=RSS x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2011-5327
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2011-5327 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1735624 | Issue Tracking | |
| https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12f09ccb4612734a53e47ed5302e0479c10a50f8 | x_refsource_MISCPatchVendor Advisory | |
| https://github.com/torvalds/linux/commit/12f09ccb4612734a53e47ed5302e0479c10a50f8 | x_refsource_MISCPatchThird Party Advisory | |
| https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 | x_refsource_MISCRelease NotesVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-5327 | ||
| https://support.f5.com/csp/article/K42315210 | x_refsource_CONFIRMThird Party Advisory | |
| https://support.f5.com/csp/article/K42315210?utm_source=f5support&%3Butm_medium=RSS | x_refsource_CONFIRM | |
| https://www.cve.org/CVERecord?id=CVE-2011-5327 |
Change history (0)
No recorded changes yet.