CVE-2022-48935

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2022-48935

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2022-48935

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

AZL-47850 CVE-2024-42270 affecting package kernel for versions less than 5.15.167.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: iptables: Fix null-ptr-deref in iptablenattableinit. We had a report that iptables-restore sometimes triggered null-ptr-deref at boot time. 0 The problem is that iptablenattableinit is exposed to user space before the...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: phy: CVE-2024-26600 kernel: netfilter: multiple flaws CVE-2024-26808, CVE-2024-27065, CVE-2024-35899, CVE-2024-36005 kernel: cifs: CVE-2024-26828 kernel: wifi: multiple flaws...

AZL-47133 CVE-2024-42078 affecting package kernel for versions less than 5.15.162.2-1

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialise nfsdinfo.mutex early. nfsdinfo.mutex can be dereferenced by svcpoolstatsstart immediately after the new netns is created. Currently this can trigger an oops. Move the initialisation earlier before it can possibly...

AZL-47198 CVE-2024-42078 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialise nfsdinfo.mutex early. nfsdinfo.mutex can be dereferenced by svcpoolstatsstart immediately after the new netns is created. Currently this can trigger an oops. Move the initialisation earlier before it can possibly...

CVE-2024-42078 nfsd: initialise nfsd_info.mutex early.

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialise nfsdinfo.mutex early. nfsdinfo.mutex can be dereferenced by svcpoolstatsstart immediately after the new netns is created. Currently this can trigger an oops. Move the initialisation earlier before it can possibly...

CVE-2024-42078 nfsd: initialise nfsd_info.mutex early.

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialise nfsdinfo.mutex early. nfsdinfo.mutex can be dereferenced by svcpoolstatsstart immediately after the new netns is created. Currently this can trigger an oops. Move the initialisation earlier before it can possibly...

CVE-2024-40958

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

CVE-2024-40958

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

CVE-2024-40905

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in fib6droppcpufrom syzbot found a race in fib6droppcpufrom 1 If compiler reads more than once ppcpurt, second read could read NULL, if another cpu clears the value in rt6getpcpuroute. Add a READONCE to...

CVE-2024-40958

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

CVE-2024-40958 netns: Make get_net_ns() handle zero refcount net

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

CVE-2024-40958 netns: Make get_net_ns() handle zero refcount net

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

CVE-2024-40958

CVE-2024-40958 relates to the Linux kernel: get_net_ns() may perform a refcount increment on a net namespace with zero refcount, triggering a use-after-free warning and potential kernel panic. The root cause is an addition on 0 refcount via get_net_ns(), surfaced during operations like netns swit...

CVE-2024-40958 netns: Make get_net_ns() handle zero refcount net

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

CVE-2024-40958

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

CVE-2024-36939

In the Linux kernel, the following vulnerability has been resolved: nfs: Handle error of rpcprocregister in nfsnetinit. syzkaller reported a warning 0 triggered while destroying immature netns. rpcprocregister was called in initnfsfs, but its error has been ignored since at least the initial comm...

UBUNTU-CVE-2024-36939

In the Linux kernel, the following vulnerability has been resolved: nfs: Handle error of rpcprocregister in nfsnetinit. syzkaller reported a warning 0 triggered while destroying immature netns. rpcprocregister was called in initnfsfs, but its error has been ignored since at least the initial comm...