kernel: Use-after-Free/Double-Free bug in read_bbreg_hdl in drivers/staging/rtl8712/rtl8712_cmd.c
Published Mar 22, 2023
7.8
HIGHCVSS 3.1
EPSS 0.26%
Description
A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.
Affected products
- Vendor n/a Product Kernel Defaultn/a
- Version Linux Kernel prior to kernel 6.0 rc4StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Kernel | n/a |
|
- ≥ 2.6.37 · < 4.9.328
- ≥ 4.10 · < 4.14.293
- ≥ 4.15 · < 4.19.258
- ≥ 4.20 · < 5.4.213
- ≥ 5.5 · < 5.10.142
- ≥ 5.11 · < 5.15.66
- ≥ 5.16 · < 5.19.8
- 6.0
- 6.0
- 6.0
No data.
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Out of support scope
Red Hat Enterprise Linux 7
kernel-rt
Out of support scope
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Out of support scope | 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 Linux 9 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
To mitigate this issue, prevent the affected module from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.
References (6)
- https://access.redhat.com/security/cve/CVE-2022-4095 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2144991 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c53b3dcb9942b8ed7f81ee3921c4085d87070c73 PatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-4095
- https://security.netapp.com/advisory/ntap-20230420-0005/ Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-4095
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2022-4095 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2144991 | Issue Tracking | |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c53b3dcb9942b8ed7f81ee3921c4085d87070c73 | PatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2022-4095 | ||
| https://security.netapp.com/advisory/ntap-20230420-0005/ | Third Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2022-4095 |
Change history (0)
No recorded changes yet.