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Github Security Blog
Github Security Blog
added 2026/08/20 6:34 p.m.9 views

Zoo Design Studio: Memory-corruption in memory handling of lib-kcl

A race condition in kcl-lib can result in a use-after-free when accessing environments concurrently. During Vec reallocation, the previous buffer containing Box pointers is freed and replaced. A concurrent getenv operation that has already loaded a pointer to the old buffer may subsequently index...

5.8AI score
SaveExploits0References2Affected Software2
RedhatCVE
RedhatCVE
added 2026/08/18 5:32 p.m.4 views

CVE-2026-72235

A flaw was found in the Linux kernel batman-adv component. The batadvinterfacerx function, responsible for handling network packets, can reallocate its internal buffer. However, a pointer to the ethernet header is not correctly updated after this reallocation. This oversight leads to a...

8.8CVSS5.5AI score0.00339EPSS
SaveExploits0References4
RedhatCVE
RedhatCVE
added 2026/08/18 4:54 p.m.3 views

CVE-2026-72233

A flaw was found in the batman-adv component of the Linux kernel. This vulnerability occurs when a buffer is reallocated, but existing pointers are not updated, leading to a use-after-free condition. A local attacker could potentially exploit this to cause a system crash denial of service or, in...

8.8CVSS6.3AI score0.00339EPSS
SaveExploits0References4
RedhatCVE
RedhatCVE
added 2026/08/17 2:56 p.m.6 views

CVE-2026-74570

A flaw was found in the Linux kernel's NTFS file system driver. This vulnerability arises from insufficient size calculations during runlist memory reallocation, which could lead to an integer overflow. An attacker could potentially exploit this to cause memory corruption, leading to system...

9.8CVSS5.6AI score0.00308EPSS
SaveExploits0References4
OSV
OSV
added 2026/08/15 6:21 a.m.5 views

UBUNTU-CVE-2026-72233

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: reacquire gw address after skb realloc The pskbmaypull called by batadvblaisbackbonegw could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

8.8CVSS5.6AI score0.00339EPSS
SaveExploits0References11
NVD
NVD
added 2026/08/15 6:20 a.m.7 views

CVE-2026-68476

In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation ipvsgetoutrt calls skbensurewritable which may reallocate skb-head...

9.8CVSS0.00626EPSS
SaveExploits0References5
EUVD
EUVD
added 2026/08/15 5:51 a.m.10 views

EUVD-2026-59098

In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation ipvsgetoutrt calls skbensurewritable which may reallocate skb-head...

5.3AI score0.00626EPSS
SaveExploits0References5
OSV
OSV
added 2026/08/15 5:51 a.m.9 views

CVE-2026-68476 ipvs: reload ip header after head reallocation

In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation ipvsgetoutrt calls skbensurewritable which may reallocate skb-head...

9.8CVSS5.4AI score
SaveExploits0References8
CVE
CVE
added 2026/08/15 5:51 a.m.27 views

CVE-2026-68476

CVE-2026-68476 concerns the Linux kernel where the IPVS path may reallocate skb->head via skb_ensure_writable() called from __ip_vs_get_out_rt(), allowing a header reallocation during packet handling. This could impact memory/systems processing of IPVS routes. The entry notes a high-severity i...

9.8CVSS5.3AI score0.00626EPSS
SaveExploits0References5
Positive Technologies
Positive Technologies
added 2026/08/15 12:00 a.m.14 views

PT-2026-72188

In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation ip vs get out rt calls skb ensure writable which may reallocate skb-head...

5.3AI score0.00626EPSS
SaveExploits0References6
Positive Technologies
Positive Technologies
added 2026/08/15 12:00 a.m.6 views

PT-2026-72421

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: reacquire gw address after skb realloc The pskb may pull called by batadv bla is backbone gw could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to...

5.6AI score0.00339EPSS
SaveExploits0References9
EUVD
EUVD
added 2026/08/11 7:12 p.m.9 views

EUVD-2026-56891

In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent...

4.8CVSS5.2AI score0.00163EPSS
SaveExploits0References1
UbuntuCve
UbuntuCve
added 2026/08/10 1:20 p.m.11 views

CVE-2026-68143

In the Linux kernel, the following vulnerability has been resolved: net: slip: serialize receive against buffer reallocation slreallocbufs replaces rbuff and updates buffsize while holding sl-lock. slipreceivebuf reads those fields and writes through rbuff without holding the lock. An MTU change...

7.8CVSS5.5AI score0.00138EPSS
SaveExploits0References6
OSV
OSV
added 2026/08/10 1:20 p.m.7 views

UBUNTU-CVE-2026-68143

In the Linux kernel, the following vulnerability has been resolved: net: slip: serialize receive against buffer reallocation slreallocbufs replaces rbuff and updates buffsize while holding sl-lock. slipreceivebuf reads those fields and writes through rbuff without holding the lock. An MTU change...

7.8CVSS5.4AI score0.00138EPSS
SaveExploits0References7
NVD
NVD
added 2026/08/10 1:20 p.m.8 views

CVE-2026-68143

In the Linux kernel, the following vulnerability has been resolved: net: slip: serialize receive against buffer reallocation slreallocbufs replaces rbuff and updates buffsize while holding sl-lock. slipreceivebuf reads those fields and writes through rbuff without holding the lock. An MTU change...

7.8CVSS0.00138EPSS
SaveExploits0References8
CVE
CVE
added 2026/08/10 12:02 p.m.53 views

CVE-2026-68302

CVE-2026-68302 is a Linux kernel issue in the Adjacency Management Protocol (AMT) implementation. Several AMT receive/transmit paths cache skb header pointers (ip_hdr, ipv6_hdr, eth_hdr, or AMT header) and a later helper can reallocate the skb head, making cached pointers invalid (use-after-free)...

9.8CVSS5.2AI score0.00483EPSS
SaveExploits0References6
OSV
OSV
added 2026/08/10 12:02 p.m.13 views

CVE-2026-68302 amt: re-read skb header pointers after every pull

In the Linux kernel, the following vulnerability has been resolved: amt: re-read skb header pointers after every pull Several AMT receive and transmit paths cache a pointer into the skb head iphdr, ipv6hdr, ethhdr or the AMT message header and then call a helper that can reallocate that head befo...

9.8CVSS5.3AI score
SaveExploits0References9
CVE
CVE
added 2026/08/10 11:59 a.m.29 views

CVE-2026-68143

CVE-2026-68143 affects the Linux kernel SLIP path. A race between MTU changes and receive processing can occur because sl_realloc_bufs() updates rbuff and buffsize while holding sl->lock, but slip_receive_buf() may write to rbuff without the lock. An MTU change/shrink can expose the new smalle...

7.8CVSS5.5AI score0.00138EPSS
SaveExploits0References8
EUVD
EUVD
added 2026/08/10 11:59 a.m.8 views

EUVD-2026-55526

In the Linux kernel, the following vulnerability has been resolved: net: slip: serialize receive against buffer reallocation slreallocbufs replaces rbuff and updates buffsize while holding sl-lock. slipreceivebuf reads those fields and writes through rbuff without holding the lock. An MTU change...

5.5AI score0.00138EPSS
SaveExploits0References5
Cvelist
Cvelist
added 2026/08/10 11:59 a.m.36 views

CVE-2026-68143 net: slip: serialize receive against buffer reallocation

In the Linux kernel, the following vulnerability has been resolved: net: slip: serialize receive against buffer reallocation slreallocbufs replaces rbuff and updates buffsize while holding sl-lock. slipreceivebuf reads those fields and writes through rbuff without holding the lock. An MTU change...

7.8CVSS0.00138EPSS
SaveExploits0References8
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