CVE-2021-47470
published 2024-05-22CVE-2021-47470: In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add failed, we…
PriorityP336high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.20%
10.3th percentile
In the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential use-after-free in slab_debugfs_fops
When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s
because s will be freed soon. And slab_debugfs_fops will use s later
leading to a use-after-free.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.14.16-1 (bookworm) | linux 5.14.16-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 64dd68497be76ab4e237cca06f5324e220d0f050 < 159d8cfbd0428d487c53be4722f33cdab0d25d83 | 159d8cfbd0428d487c53be4722f33cdab0d25d83 |
| linux | linux | >= 64dd68497be76ab4e237cca06f5324e220d0f050 < 67823a544414def2a36c212abadb55b23bcda00c | 67823a544414def2a36c212abadb55b23bcda00c |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.14.16-1 | 5.14.16-1 |
| linux | linux_kernel | >= 0 < 5.14.16-1 | 5.14.16-1 |
| linux | linux_kernel | >= 0 < 5.14.16-1 | 5.14.16-1 |
| linux | linux_kernel | >= 5.14 < 5.14.15 | 5.14.15 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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GHSA
GHSA-vr9g-qp6c-282r: In the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential use-after-free in slab_debugfs_fops
When sysfs_slab_add
ghsa_unreviewed·2024-05-22
CVE-2021-47470 [HIGH] CWE-416 GHSA-vr9g-qp6c-282r: In the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential use-after-free in slab_debugfs_fops
When sysfs_slab_add
In the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential use-after-free in slab_debugfs_fops
When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s
because s will be freed soon. And slab_debugfs_fops will use s later
leading to a use-after-free.
OSV
CVE-2021-47470: In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add fa
osv·2024-05-22·CVSS 7.8
CVE-2021-47470 [HIGH] CVE-2021-47470: In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add fa
In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s because s will be freed soon. And slab_debugfs_fops will use s later leading to a use-after-free.
Red Hat
kernel: mm, slub: fix potential use-after-free in slab_debugfs_fops
vendor_redhat·2024-05-22·CVSS 7.8
CVE-2021-47470 [HIGH] CWE-416 kernel: mm, slub: fix potential use-after-free in slab_debugfs_fops
kernel: mm, slub: fix potential use-after-free in slab_debugfs_fops
In the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential use-after-free in slab_debugfs_fops
When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s
because s will be freed soon. And slab_debugfs_fops will use s later
leading to a use-after-free.
Statement: Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.
Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Package: kernel (R
Debian
CVE-2021-47470: linux - In the Linux kernel, the following vulnerability has been resolved: mm, slub: f...
vendor_debian·2021·CVSS 7.8
CVE-2021-47470 [HIGH] CVE-2021-47470: linux - In the Linux kernel, the following vulnerability has been resolved: mm, slub: f...
In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s because s will be freed soon. And slab_debugfs_fops will use s later leading to a use-after-free.
Scope: local
bookworm: resolved (fixed in 5.14.16-1)
bullseye: resolved
forky: resolved (fixed in 5.14.16-1)
sid: resolved (fixed in 5.14.16-1)
trixie: resolved (fixed in 5.14.16-1)
No detection rules found.
No public exploits indexed.
2024-05-22
Published