kernel: mm: list_lru: fix UAF for memory cgroup

A possible use-after-free was found in the Linux kernel in mm/listlru.c...

SUSE CVE-2022-48989

In the Linux kernel, the following vulnerability has been resolved: fscache: Fix oops due to race with cookielru and usecookie If a cookie expires from the LRU and the LRUDISCARD flag is set, but the state machine has not run yet, it's possible another thread can call fscacheusecookie and begin t...

DEBIAN-CVE-2022-48989

In the Linux kernel, the following vulnerability has been resolved: fscache: Fix oops due to race with cookielru and usecookie If a cookie expires from the LRU and the LRUDISCARD flag is set, but the state machine has not run yet, it's possible another thread can call fscacheusecookie and begin t...

UBUNTU-CVE-2022-48989

In the Linux kernel, the following vulnerability has been resolved: fscache: Fix oops due to race with cookielru and usecookie If a cookie expires from the LRU and the LRUDISCARD flag is set, but the state machine has not run yet, it's possible another thread can call fscacheusecookie and begin t...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2021-47069: Fixed a crash due to relying on a stack reference past its expiry in ipc/mqueue, ipc/msg, ipc/sem bsc1220826. CVE-2022-48911: kabi: add nfqueuegetrefs...

CLSA-2024-1726847306 bind: Fix of 2 CVEs

CVE-2024-1737-1: introduced new configurable limits that prevent the loading into zones or into cache of DNS resource records RRs that exceed them - CVE-2024-1737-2: add environment variable DNSRDATASETMAXRECORDS, DNSRBTDBMAXRTYPES to override hardcoded limits DDNSRDATASETMAXRECORDS and...

DEBIAN-CVE-2024-45003

In the Linux kernel, the following vulnerability has been resolved: vfs: Don't evict inode under the inode lru traversing context The inode reclaiming processSee function pruneicachesb collects all reclaimable inodes and mark them with IFREEING flag at first, at that time, other processes will be...

SUSE CVE-2024-43892

In the Linux kernel, the following vulnerability has been resolved: memcg: protect concurrent access to memcgroupidr Commit 73f576c04b94 "mm: memcontrol: fix cgroup creation failure after many small jobs" decoupled the memcg IDs from the CSS ID space to fix the cgroup creation failures. It...

DEBIAN-CVE-2024-43888

In the Linux kernel, the following vulnerability has been resolved: mm: listlru: fix UAF for memory cgroup The memcgroupfromslabobj is supposed to be called under rcu lock or cgroupmutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found b...

UBUNTU-CVE-2024-43892

In the Linux kernel, the following vulnerability has been resolved: memcg: protect concurrent access to memcgroupidr Commit 73f576c04b94 "mm: memcontrol: fix cgroup creation failure after many small jobs" decoupled the memcg IDs from the CSS ID space to fix the cgroup creation failures. It...

UBUNTU-CVE-2024-43888

In the Linux kernel, the following vulnerability has been resolved: mm: listlru: fix UAF for memory cgroup The memcgroupfromslabobj is supposed to be called under rcu lock or cgroupmutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found b...

CVE-2022-48800 mm: vmscan: remove deadlock due to throttling failing to make progress

In the Linux kernel, the following vulnerability has been resolved: mm: vmscan: remove deadlock due to throttling failing to make progress A soft lockup bug in kcompactd was reported in a private bugzilla with the following visible in dmesg; watchdog: BUG: soft lockup - CPU33 stuck for 26s!...

SUSE CVE-2024-40949

In the Linux kernel, the following vulnerability has been resolved: mm: shmem: fix getting incorrect lruvec when replacing a shmem folio When testing shmem swapin, I encountered the warning below on my machine. The reason is that replacing an old shmem folio with a new one causes memcgroupmigrate...

DEBIAN-CVE-2024-40949

In the Linux kernel, the following vulnerability has been resolved: mm: shmem: fix getting incorrect lruvec when replacing a shmem folio When testing shmem swapin, I encountered the warning below on my machine. The reason is that replacing an old shmem folio with a new one causes memcgroupmigrate...

CVE-2024-40949 mm: shmem: fix getting incorrect lruvec when replacing a shmem folio

In the Linux kernel, the following vulnerability has been resolved: mm: shmem: fix getting incorrect lruvec when replacing a shmem folio When testing shmem swapin, I encountered the warning below on my machine. The reason is that replacing an old shmem folio with a new one causes memcgroupmigrate...

CVE-2024-40949 mm: shmem: fix getting incorrect lruvec when replacing a shmem folio

In the Linux kernel, the following vulnerability has been resolved: mm: shmem: fix getting incorrect lruvec when replacing a shmem folio When testing shmem swapin, I encountered the warning below on my machine. The reason is that replacing an old shmem folio with a new one causes memcgroupmigrate...

SUSE CVE-2021-47506

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix use-after-free due to delegation race A delegation break could arrive as soon as we've called vfssetlease. A delegation break runs a callback which immediately in nfsd4cbrecallprepare adds the delegation to delrecalllru...

SUSE CVE-2021-47254

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in gfs2glockshrinkscan The GLFLRU flag is checked under lrulock in gfs2glockremovefromlru to remove the glock from the lru list in gfs2glockput. On the shrink scan path, the same flag is cleared under...

CVE-2021-47254

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in gfs2glockshrinkscan The GLFLRU flag is checked under lrulock in gfs2glockremovefromlru to remove the glock from the lru list in gfs2glockput. On the shrink scan path, the same flag is cleared under...

DEBIAN-CVE-2021-47254

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in gfs2glockshrinkscan The GLFLRU flag is checked under lrulock in gfs2glockremovefromlru to remove the glock from the lru list in gfs2glockput. On the shrink scan path, the same flag is cleared under...