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13 vulnerabilities found for Ubuntu Linux by Canonical
CVE-2026-47337 (GCVE-0-2026-47337)
Vulnerability from cvelistv5
Published
2026-05-28 18:29
Modified
2026-05-28 19:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL pointer dereference
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AF_INET/AF_INET6 socket mediation. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2026-47336 (GCVE-0-2026-47336)
Vulnerability from cvelistv5
Published
2026-05-28 18:29
Modified
2026-05-28 19:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-457 - Use of uninitialized variable
Summary
Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/AF_INET6 socket mediation code. The bug can be triggered by an unprivileged local user and could result in incorrect fine-grained mediation of network sockets.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 |
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CVE-2026-47335 (GCVE-0-2026-47335)
Vulnerability from cvelistv5
Published
2026-05-28 18:28
Modified
2026-05-28 19:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL pointer dereference
Summary
Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel panic.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 |
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CVE-2026-47334 (GCVE-0-2026-47334)
Vulnerability from cvelistv5
Published
2026-05-28 18:28
Modified
2026-05-28 19:23
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-833 - Deadlock
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock in notification handling code. The bug can be triggered by an unprivileged local user and can result in kernel panic or deadlock.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2026-47333 (GCVE-0-2026-47333)
Vulnerability from cvelistv5
Published
2026-05-28 18:28
Modified
2026-05-29 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds read
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the size of an internal buffer, leading to a heap memory out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in invalid data being processed by the AppArmor DFA policy engine.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2026-47332 (GCVE-0-2026-47332)
Vulnerability from cvelistv5
Published
2026-05-28 18:28
Modified
2026-05-28 19:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds read
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an internal structure, leading to an out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in information disclosure from adjacent slab objects.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2026-47331 (GCVE-0-2026-47331)
Vulnerability from cvelistv5
Published
2026-05-28 18:28
Modified
2026-05-29 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivileged local user could trigger the race condition that can lead to a use-after-free (UAF) and, theoretically, arbitrary code execution.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 |
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CVE-2026-47330 (GCVE-0-2026-47330)
Vulnerability from cvelistv5
Published
2026-05-28 18:27
Modified
2026-05-28 19:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-457 - Use of uninitialized variable
Summary
Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an uninitialized variable in notification handling code. The bug can be triggered by an unprivileged local user and can result in the incorrect caching of AppArmor notification responses.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2026-47329 (GCVE-0-2026-47329)
Vulnerability from cvelistv5
Published
2026-05-28 18:27
Modified
2026-05-28 19:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1284 - Improper validation of specified quantity in input
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2026-47328 (GCVE-0-2026-47328)
Vulnerability from cvelistv5
Published
2026-05-28 18:27
Modified
2026-05-28 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-590 - Free of memory not on the heap
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not previously kmalloc()d, while at the same time leaking allocated memory. The bug can be triggered by an unprivileged local user and can result in the corruption of slab metadata and could lead to resource exhaustion.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2026-47327 (GCVE-0-2026-47327)
Vulnerability from cvelistv5
Published
2026-05-28 18:27
Modified
2026-05-28 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL pointer dereference
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2026-47326 (GCVE-0-2026-47326)
Vulnerability from cvelistv5
Published
2026-05-28 18:26
Modified
2026-05-28 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-401 - Missing release of memory after effective lifetime
Summary
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0 Version: 6.17.0 Version: 7.0.0 |
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CVE-2025-13350 (GCVE-0-2025-13350)
Vulnerability from cvelistv5
Published
2026-03-05 18:56
Modified
2026-03-06 10:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Ubuntu Linux 6.8 GA retains the legacy AF_UNIX garbage collector but backports upstream commit 8594d9b85c07 ("af_unix: Don’t call skb_get() for OOB skb"). When orphaned MSG_OOB sockets hit unix_gc(), the garbage collector still calls kfree_skb() as if OOB SKBs held two references; on Ubuntu Linux 6.8 (Noble Numbat) kernel tree, they have only the queue reference, so the buffer is freed while still reachable and subsequent queue walks dereference freed memory, yielding a reliable local privilege escalation (LPE) caused by a use-after-free (UAF). Ubuntu builds that have already taken the new GC stack from commit 4090fa373f0e, and mainline Linux kernels shipping that infrastructure are unaffected because they no longer execute the legacy collector path. This issue affects Ubuntu Linux from 6.8.0-56.58 before 6.8.0-84.84.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Canonical | Ubuntu Linux |
Version: 6.8.0-56.58 |
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