CVE-2024-50218

In the Linux kernel, the following vulnerability has been resolved: ocfs2: pass u64 to ocfs2truncateinline maybe overflow Syzbot reported a kernel BUG in ocfs2truncateinline. There are two reasons for this: first, the parameter value passed is greater than ocfs2maxinlinedatawithxattr, second, the...

SUSE CVE-2024-50299

In the Linux kernel, the following vulnerability has been resolved: sctp: properly validate chunk size in sctpsfootb A size validation fix similar to that in Commit 50619dbf8db7 "sctp: add size validation when walking chunks" is also required in sctpsfootb to address a crash reported by syzbot:...

CVE-2024-50301 security/keys: fix slab-out-of-bounds in key_task_permission

In the Linux kernel, the following vulnerability has been resolved: security/keys: fix slab-out-of-bounds in keytaskpermission KASAN reports an out of bounds read: BUG: KASAN: slab-out-of-bounds in kuidval include/linux/uidgid.h:36 BUG: KASAN: slab-out-of-bounds in uideq include/linux/uidgid.h:63...

CVE-2024-50299

CVE-2024-50299 affects the Linux kernel SCTP code, where size validation was missing in sctp_sf_ootb() and could cause a crash. The fix mirrors the prior approach used in Commit 50619dbf8db7 (size validation when walking chunks) and addresses a KMSAN-triggered fault reported in syzbot. The vulner...

CVE-2024-50299 sctp: properly validate chunk size in sctp_sf_ootb()

In the Linux kernel, the following vulnerability has been resolved: sctp: properly validate chunk size in sctpsfootb A size validation fix similar to that in Commit 50619dbf8db7 "sctp: add size validation when walking chunks" is also required in sctpsfootb to address a crash reported by syzbot:...

CVE-2024-50299 sctp: properly validate chunk size in sctp_sf_ootb()

In the Linux kernel, the following vulnerability has been resolved: sctp: properly validate chunk size in sctpsfootb A size validation fix similar to that in Commit 50619dbf8db7 "sctp: add size validation when walking chunks" is also required in sctpsfootb to address a crash reported by syzbot:...

CVE-2024-50293 net/smc: do not leave a dangling sk pointer in __smc_create()

In the Linux kernel, the following vulnerability has been resolved: net/smc: do not leave a dangling sk pointer in smccreate Thanks to commit 4bbd360a5084 "socket: Print pf-create when it does not clear sock-sk on failure.", syzbot found an issue with AFSMC: smccreate must clear sock-sk on failur...

CVE-2024-50293

Technical details about CVE-2024-50293 (net/smc dangling sk in __smc_create) are not publicly provided in the supplied documents. Monitor for updates from official advisories.

UBUNTU-CVE-2024-50230

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug due to missing clearing of checked flag Syzbot reported that in directory operations after nilfs2 detects filesystem corruption and degrades to read-only, blockwritebeginint, which is called to prepare bloc...

CVE-2024-50256

CVE-2024-50256 affects the Linux kernel (netfilter nf_reject_ipv6) and reports a crash in nf_send_reset6() when constructing an Ethernet header (dev->hard_header_len can be zero). The issue is addressed by using LL_MAX_HEADER to compute the header as done by related code paths. Public advisori...

CVE-2024-50256 netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfrejectipv6: fix potential crash in nfsendreset6 I got a syzbot report without a repro 1 crashing in nfsendreset6 I think the issue is that dev-hardheaderlen is zero, and we attempt later to push an Ethernet header. U...

CVE-2024-50218 ocfs2: pass u64 to ocfs2_truncate_inline maybe overflow

In the Linux kernel, the following vulnerability has been resolved: ocfs2: pass u64 to ocfs2truncateinline maybe overflow Syzbot reported a kernel BUG in ocfs2truncateinline. There are two reasons for this: first, the parameter value passed is greater than ocfs2maxinlinedatawithxattr, second, the...

CVE-2024-50218 ocfs2: pass u64 to ocfs2_truncate_inline maybe overflow

In the Linux kernel, the following vulnerability has been resolved: ocfs2: pass u64 to ocfs2truncateinline maybe overflow Syzbot reported a kernel BUG in ocfs2truncateinline. There are two reasons for this: first, the parameter value passed is greater than ocfs2maxinlinedatawithxattr, second, the...

OESA-2024-2371 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid use-after-free in ip6fragment Blamed commit claimed rcureadlock was held by ip6fragment callers. It seems to not be always true, at least for UDP...

DEBIAN-CVE-2024-50191

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SBRDONLY after filesystem errors When the filesystem is mounted with errors=remount-ro, we were setting SBRDONLY flag to stop all filesystem modifications. We knew this misses proper locking sb-sumount and does no...

UBUNTU-CVE-2024-50191

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SBRDONLY after filesystem errors When the filesystem is mounted with errors=remount-ro, we were setting SBRDONLY flag to stop all filesystem modifications. We knew this misses proper locking sb-sumount and does no...

CVE-2024-50202 nilfs2: propagate directory read errors from nilfs_find_entry()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: propagate directory read errors from nilfsfindentry Syzbot reported that a task hang occurs in vcsopen during a fuzzing test for nilfs2. The root cause of this problem is that in nilfsfindentry, which searches for directo...

CVE-2024-50155

In the Linux kernel, the following vulnerability has been resolved: netdevsim: use condresched in nsimdevtrapreportwork I am still seeing many syzbot reports hinting that syzbot might fool nsimdevtrapreportwork with hundreds of ports 1 Lets use condresched, and systemunboundwq instead of implicit...

CVE-2024-50155

In the Linux kernel, the following vulnerability has been resolved: netdevsim: use condresched in nsimdevtrapreportwork I am still seeing many syzbot reports hinting that syzbot might fool nsimdevtrapreportwork with hundreds of ports 1 Lets use condresched, and systemunboundwq instead of implicit...

CVE-2024-50155

CVE-2024-50155 affects the Linux kernel’s netdevsim driver, specifically the nsim_dev_trap_report_work() path. The issue arises from not using conditional rescheduling in the work that handles trap reports, which can cause a task to be blocked for long periods (as seen in syzbot output). The conn...