Red Hat Enterprise Linux
Description
Red Hat Enterprise Linux (RHEL) is a commercial open-source Linux distribution developed by Red Hat for the commercial market.
Website
Product names
enterprise_linux, Red Hat Enterprise Linux 6
Related organization
CVE-2023-2019 (GCVE-0-2023-2019)
Vulnerability from – Published: 2023-04-24 00:00 – Updated: 2025-03-18 19:17
VLAI?
Summary
A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events. This issue results from the improper management of a reference count. This may allow an attacker to create a denial of service condition on the system.
Severity ?
4.4 (Medium)
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel's netdevsim device driver |
Affected:
Fixed in kernel v6.0-rc1
|
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CVE-2023-1095 (GCVE-0-2023-1095)
Vulnerability from – Published: 2023-02-28 00:00 – Updated: 2025-03-18 15:14
VLAI?
Summary
In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.
Severity ?
5.5 (Medium)
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux kernel netfilter subsystem. |
Affected:
Fixed in 6.0-rc1
|
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CVE-2023-3161 (GCVE-0-2023-3161)
Vulnerability from – Published: 2023-06-12 00:00 – Updated: 2025-03-11 14:54
VLAI?
Summary
A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.
Severity ?
5.5 (Medium)
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux Kernel (fbcon) |
Affected:
Fixed in kernel 6.2-rc7
|
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CVE-2022-41862 (GCVE-0-2022-41862)
Vulnerability from – Published: 2023-03-03 00:00 – Updated: 2025-03-07 16:03
VLAI?
Summary
In PostgreSQL, a modified, unauthenticated server can send an unterminated string during the establishment of Kerberos transport encryption. In certain conditions a server can cause a libpq client to over-read and report an error message containing uninitialized bytes.
Severity ?
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | postgresql |
Affected:
postgresql 5.2, postgresql 14.7, postgresql 13.10, postgresql 12.14, postgresql 11.19
|
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CVE-2022-3707 (GCVE-0-2022-3707)
Vulnerability from – Published: 2023-03-06 00:00 – Updated: 2025-03-07 15:48
VLAI?
Summary
A double-free memory flaw was found in the Linux kernel. The Intel GVT-g graphics driver triggers VGA card system resource overload, causing a fail in the intel_gvt_dma_map_guest_page function. This issue could allow a local user to crash the system.
Severity ?
5.5 (Medium)
CWE
Assigner
References
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CVE-2022-3424 (GCVE-0-2022-3424)
Vulnerability from – Published: 2023-03-06 00:00 – Updated: 2025-03-06 20:27
VLAI?
Summary
A use-after-free flaw was found in the Linux kernel’s SGI GRU driver in the way the first gru_file_unlocked_ioctl function is called by the user, where a fail pass occurs in the gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Severity ?
7.8 (High)
CWE
Assigner
References
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CVE-2022-1586 (GCVE-0-2022-1586)
Vulnerability from – Published: 2022-05-16 00:00 – Updated: 2025-03-06 08:18
VLAI?
Summary
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Severity ?
No CVSS data available.
CWE
- CWE-125 - - Out-of-bounds Read
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2023-30549 (GCVE-0-2023-30549)
Vulnerability from – Published: 2023-04-25 00:00 – Updated: 2025-03-05 19:03
VLAI?
Title
Unpatched extfs vulnerabilities are exploitable through suid-mode Apptainer
Summary
Apptainer is an open source container platform for Linux. There is an ext4 use-after-free flaw that is exploitable through versions of Apptainer < 1.1.0 and installations that include apptainer-suid < 1.1.8 on older operating systems where that CVE has not been patched. That includes Red Hat Enterprise Linux 7, Debian 10 buster (unless the linux-5.10 package is installed), Ubuntu 18.04 bionic and Ubuntu 20.04 focal. Use-after-free flaws in the kernel can be used to attack the kernel for denial of service and potentially for privilege escalation.
Apptainer 1.1.8 includes a patch that by default disables mounting of extfs filesystem types in setuid-root mode, while continuing to allow mounting of extfs filesystems in non-setuid "rootless" mode using fuse2fs.
Some workarounds are possible. Either do not install apptainer-suid (for versions 1.1.0 through 1.1.7) or set `allow setuid = no` in apptainer.conf. This requires having unprivileged user namespaces enabled and except for apptainer 1.1.x versions will disallow mounting of sif files, extfs files, and squashfs files in addition to other, less significant impacts. (Encrypted sif files are also not supported unprivileged in apptainer 1.1.x.). Alternatively, use the `limit containers` options in apptainer.conf/singularity.conf to limit sif files to trusted users, groups, and/or paths, and set `allow container extfs = no` to disallow mounting of extfs overlay files. The latter option by itself does not disallow mounting of extfs overlay partitions inside SIF files, so that's why the former options are also needed.
Severity ?
7.1 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||
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CVE-2023-3355 (GCVE-0-2023-3355)
Vulnerability from – Published: 2023-06-28 00:00 – Updated: 2025-03-05 18:55
VLAI?
Title
Null pointer dereference in submit_lookup_cmds() in drivers/gpu/drm/msm/msm_gem_submit.c
Summary
A NULL pointer dereference flaw was found in the Linux kernel's drivers/gpu/drm/msm/msm_gem_submit.c code in the submit_lookup_cmds function, which fails because it lacks a check of the return value of kmalloc(). This issue allows a local user to crash the system.
Severity ?
4.7 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n/a | kernel |
Unaffected:
6.1-rc8
|
|||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||
Credits
Red Hat would like to thank Jiasheng Jiang (Institute of Software Chinese Academy of Sciences) for reporting this issue.
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CVE-2023-3338 (GCVE-0-2023-3338)
Vulnerability from – Published: 2023-06-30 00:00 – Updated: 2025-03-05 18:55
VLAI?
Title
Crash due to a null pointer dereference in the dn_nsp_send function
Summary
A null pointer dereference flaw was found in the Linux kernel's DECnet networking protocol. This issue could allow a remote user to crash the system.
Severity ?
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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| n/a | kernel |
Unaffected:
6.5-rc1
|
||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
Credits
Red Hat would like to thank Davide Ornaghi (Betrusted Srl) for reporting this issue.
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