RHBA-2024:9014
Vulnerability from csaf_redhat - Published: 2024-11-07 15:10 - Updated: 2026-10-16 22:52Summary
Red Hat Bug Fix Advisory: updated el9/flatpak-sdk container image
Severity
Low
Notes
Topic: Updated el9/flatpak-sdk container image is now available for Red Hat Enterprise Linux 9.
Details: The el9/flatpak-sdk container image has been updated for Red Hat Enterprise Linux 9 to address the following security advisory: RHSA-2024:8617 (see References)
Users of el9/flatpak-sdk container images are advised to upgrade to these updated images, which contain backported patches to correct these security issues, fix these bugs and add these enhancements. Users of these images are also encouraged to rebuild all container images that depend on these images.
You can find images updated by this advisory in Red Hat Container Catalog (see References).
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
In the Linux kernel, the following vulnerability has been resolved: ext4: turn quotas off if mount failed after enabling quotas Yi found during a review of the patch "ext4: don't BUG on inconsistent journal feature" that when ext4_mark_recovery_complete() returns an error value, the error handling path does not turn off the enabled quotas, which triggers the following kmemleak: ================================================================ unreferenced object 0xffff8cf68678e7c0 (size 64): comm "mount", pid 746, jiffies 4294871231 (age 11.540s) hex dump (first 32 bytes): 00 90 ef 82 f6 8c ff ff 00 00 00 00 41 01 00 00 ............A... c7 00 00 00 bd 00 00 00 0a 00 00 00 48 00 00 00 ............H... backtrace: [<00000000c561ef24>] __kmem_cache_alloc_node+0x4d4/0x880 [<00000000d4e621d7>] kmalloc_trace+0x39/0x140 [<00000000837eee74>] v2_read_file_info+0x18a/0x3a0 [<0000000088f6c877>] dquot_load_quota_sb+0x2ed/0x770 [<00000000340a4782>] dquot_load_quota_inode+0xc6/0x1c0 [<0000000089a18bd5>] ext4_enable_quotas+0x17e/0x3a0 [ext4] [<000000003a0268fa>] __ext4_fill_super+0x3448/0x3910 [ext4] [<00000000b0f2a8a8>] ext4_fill_super+0x13d/0x340 [ext4] [<000000004a9489c4>] get_tree_bdev+0x1dc/0x370 [<000000006e723bf1>] ext4_get_tree+0x1d/0x30 [ext4] [<00000000c7cb663d>] vfs_get_tree+0x31/0x160 [<00000000320e1bed>] do_new_mount+0x1d5/0x480 [<00000000c074654c>] path_mount+0x22e/0xbe0 [<0000000003e97a8e>] do_mount+0x95/0xc0 [<000000002f3d3736>] __x64_sys_mount+0xc4/0x160 [<0000000027d2140c>] do_syscall_64+0x3f/0x90 ================================================================ To solve this problem, we add a "failed_mount10" tag, and call ext4_quota_off_umount() in this tag to release the enabled qoutas.
CWE-772 - Missing Release of Resource after Effective LifetimeAffected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.4.0.Z.MAIN.EUS:rhel9/flatpak-sdk@sha256:9a63aa98a01d682cad15bba49376a3b0c05c6402f0c8d9f16c5d4d68e840c482_amd64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Low
References
30 references
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"name": "Missing Release of Resource after Effective Lifetime"
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"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: turn quotas off if mount failed after enabling quotas\n\nYi found during a review of the patch \"ext4: don\u0027t BUG on inconsistent\njournal feature\" that when ext4_mark_recovery_complete() returns an error\nvalue, the error handling path does not turn off the enabled quotas,\nwhich triggers the following kmemleak:\n\n================================================================\nunreferenced object 0xffff8cf68678e7c0 (size 64):\ncomm \"mount\", pid 746, jiffies 4294871231 (age 11.540s)\nhex dump (first 32 bytes):\n00 90 ef 82 f6 8c ff ff 00 00 00 00 41 01 00 00 ............A...\nc7 00 00 00 bd 00 00 00 0a 00 00 00 48 00 00 00 ............H...\nbacktrace:\n[\u003c00000000c561ef24\u003e] __kmem_cache_alloc_node+0x4d4/0x880\n[\u003c00000000d4e621d7\u003e] kmalloc_trace+0x39/0x140\n[\u003c00000000837eee74\u003e] v2_read_file_info+0x18a/0x3a0\n[\u003c0000000088f6c877\u003e] dquot_load_quota_sb+0x2ed/0x770\n[\u003c00000000340a4782\u003e] dquot_load_quota_inode+0xc6/0x1c0\n[\u003c0000000089a18bd5\u003e] ext4_enable_quotas+0x17e/0x3a0 [ext4]\n[\u003c000000003a0268fa\u003e] __ext4_fill_super+0x3448/0x3910 [ext4]\n[\u003c00000000b0f2a8a8\u003e] ext4_fill_super+0x13d/0x340 [ext4]\n[\u003c000000004a9489c4\u003e] get_tree_bdev+0x1dc/0x370\n[\u003c000000006e723bf1\u003e] ext4_get_tree+0x1d/0x30 [ext4]\n[\u003c00000000c7cb663d\u003e] vfs_get_tree+0x31/0x160\n[\u003c00000000320e1bed\u003e] do_new_mount+0x1d5/0x480\n[\u003c00000000c074654c\u003e] path_mount+0x22e/0xbe0\n[\u003c0000000003e97a8e\u003e] do_mount+0x95/0xc0\n[\u003c000000002f3d3736\u003e] __x64_sys_mount+0xc4/0x160\n[\u003c0000000027d2140c\u003e] do_syscall_64+0x3f/0x90\n================================================================\n\nTo solve this problem, we add a \"failed_mount10\" tag, and call\next4_quota_off_umount() in this tag to release the enabled qoutas.",
"title": "Vulnerability description"
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"text": "kernel: ext4: turn quotas off if mount failed after enabling quotas",
"title": "Vulnerability summary"
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"text": "A low-severity memory leak was found in the ext4 filesystem code of the Linux kernel as shipped in Red Hat Enterprise Linux 9. When an ext4 filesystem is mounted with quotas enabled and ext4_mark_recovery_complete() returns an error, the mount error-handling path exits without turning the enabled quotas off, leaving quota-related kernel memory allocations unreferenced, as reported by kmemleak. Triggering this issue requires local access and privileges sufficient to perform a mount, and each failed mount leaks only a small amount of kernel memory, with no impact on confidentiality or integrity and only low availability impact. Red Hat therefore rates this flaw Low severity (CVSS 3.3), a meaningful difference from the 7.8 (Important) score in the upstream CVE record, whose generic vector does not reflect the constrained, error-path nature of this leak. For Red Hat Enterprise Linux 9 kernel and kernel-rt, the fix is deferred because the issue is a minor resource leak in a rarely hit mount error path rather than a memory-corruption or privilege-escalation bug, and it may be addressed in a future update; the residual risk is limited, gradual kernel memory consumption on systems that repeatedly attempt failing quota-enabled mounts. Red Hat Enterprise Linux 7, 8, and 10 and Red Hat In-Vehicle OS 1 are not affected because the vulnerable code is not present in those streams, and Red Hat Enterprise Linux 6 is out of support scope.",
"title": "Statement"
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"details": "The Red Hat Enterprise Linux 9 container image provided by this update can be downloaded from the Red Hat Container Registry at registry.access.redhat.com. Installation instructions for your platform are available at Red Hat Container Catalog (see References).\n\nDockerfiles and scripts should be amended either to refer to this new image specifically, or to the latest image generally.",
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"details": "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.",
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"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 3.3,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "kernel: ext4: turn quotas off if mount failed after enabling quotas"
}
]
}
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